This is what compresses the H-O-H bond angle in water. Despite being one of the simplest triatomic molecules, its chemical bonding scheme is nonetheless complex as many of its bonding properties such as bond angle, ionization energy, and electronic state energy … Why did multiple nations decide to launch Mars projects at exactly the same time? Water (H 2 O) is a simple triatomic bent molecule with C 2v molecular symmetry and bond angle of 104.5° between the central oxygen atom and the hydrogen atoms. It only takes a minute to sign up. When the bond angle values of the given compound are arranged based on increasing order it gives: 103.1°<104.5°<110.9°<112° There are now two possibilities of how to relieve this steric strain: In practice, almost all systems stabilise themselves by modifying the angles. Thanks for contributing an answer to Chemistry Stack Exchange! OF2 is the smallest. Based on this, I-P-I bond angle would be 120 degrees and Cl-P-Cl 180 degrees (linear) and I-P-Cl would be 90 degrees. H2o has highest bond angle(104.5°). I think it should be $\ce{H2O}$ because oxygen is most electronegative in this case so electrons will be more towards oxygen hence increasing bond angle, but the answer is $\ce{Cl2O}$. See i have drawn structure of these compound -----H2O Structure ---------- Cl2O Structure -------------F2O Structure----------In these compound all compound structure contain 2 bond pair electron and 2 lone pair electron.So all of these compounds have same effect of lone pair electron but see the bond pair electron which i have drawn in these compounds In H2O the bond pair electron shift very close to Oxygen, so the repulsion will occur but by lone pair electron the angle will reduce to 104.5o In case of Cl2O the bond angle will reduce to 110.9oAnd In case of F2O the angle will be reduce to 103.1o.This is from my side. This is what compresses the H-O-H bond angle in water. All of this taken together means that the very small hydrogen atoms have a much easier time of crowding together closer to the $90^\circ$ angle than the larger fluorine or huge (in this context) chlorine atoms. That is, 3 iodine atoms forming an equilateral triangle with P atom at the centre and the two chlorine atoms sitting above and below … It is because in case of O F 2 electrons are nearer to fluorine due to high electronegativity of F compared to C l to B r and because of this repulsion between electron decreases; so as bond angle. Which Is Larger?Why?H2O Has A Dipole Moment Of 2.39 And OF2 Has One Of 0.31.3)Compare The Br-Fax And Br-Feq Bond Lengths In BrF3. A, p658,1968) on $\ce{Cl2O}$ which gives an experimental bond angle of $111^{\circ}$ and bond length of $171$ pm. In older literature it is often referred to as chlorine monoxide, which can be a source of confusion as that name now refers to the neutral species ClO.. At room temperature it exists … OCl2 is kind of an exception because the bond angle is actually greater than the expected 109.5 because for some reason the repulsion between the bond pairs is greater than the bond-lone pair repulsion. The increasing order of bond angle is as follows: ClO 2- Cl 2 O ClO 2. This small difference is due to the electronegativity of the atoms involved in the substances. Angle of O F 2 is smaller than that of H 2 O as bond angle is inversely to electronegativity. Pasta 7 … See i have drawn structure of these compound -----H 2 O Structure ----- Cl 2 O Structure -----F 2 O Structure----- In these compound all compound structure contain 2 bond pair electron and 2 lone pair electron.So all of these compounds have same effect of lone pair electron but see the bond pair electron which i have … An example of bent molecular geometry that results from tetrahedral electron pair geometry is H 2 O. There are a few factors which affect bond angle which you must consider. Why the charge of the proton does not transfer to the neutron in the nuclei? How to simulate performance volume levels in MIDI playback. There is a slight negative charge on the oxygen, and a slight positive charge on the chlorine. The electron pairs repel each other, which pushes the two bonding pairs closer together. Origin of "arithmetic" and "logical" for signed and unsigned shifts. The bond angle of Cl2O is larger than H2O because in case of Cl, P double bonds can be formed as they can expand their shells , double bonds cause more repulsions , and hence bond angle increases. The molecular geometry of the water molecule is bent. This can be attributed to a concept known as Ligand Close-Packing. Fine. In the water molecule, two of the electron pairs are lone pairs rather than bonding pairs. The correct order of increasing bond angle in the following species is. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Hope it helps :) This holds true for $\ce{H2O}$ and $\ce{F2O}$, but as for $\ce{Cl2O}$, the opposite is seen ($\ce{Cl2O}$ bond angle is 110.9°). So let's use that reasoning to answer your question. Even though the latters’ bond lengths are longer in absolute values their larger radii makes the effective bond lengths shorter and thus makes them require more space. ClO 2 has 7 + 6 + 6 = 19 total valence electrons to distribute. However, in water or H2O, the hydrogen atoms are smaller and the bond angle is found to be 104.5° according to sp3 hybridization of central oxygen atom. Dichlorine monoxide is an inorganic compound with the molecular formula Cl 2 O. D With two nuclei around the central atom and one lone pair of electrons, the molecular geometry of SnCl 2 is bent, like SO 2, but with a Cl–Sn–Cl bond angle of 95°. OF2 is the smallest. Question: 1)Compare The Bond Angle In H2O To OF2. The oxygen has 6 valence electrons and thus needs 2 more electrons from 2 hydrogen atoms to complete its octet. Hope it helps :) If the sun disappeared, could some planets form a new orbital system? So, using both the Valence Shell Electron Pair Repulsion (VSEPR) Theory and the table where we look at the AXN, we can quickly know about the molecular geometry for water. Is there a qualitative reason for this? H2O has a 109.5 degree bond angle, but CO2 has exactly 180 degrees. F is more electronegative than H, the electrons in the O-F bond spend more time away from the O (and close to the F) than the electrons in the O-H bond. Is there a way to determine the order of items on a circuit? Because the lone pair of electrons occupies more space than the bonding pairs, we expect a decrease in the Cl–Sn–Cl bond angle due to increased LP–BP repulsions. OBr2 is greater than OCl2 which is greater than OF2. The degree of this type of repulsion depends on the electronegativity of the atoms. Essentially I expect the O and two Cl atoms to be planar, however, similar to water I expect sp3 orbital hybridisation predicting a bond angle of 109°28' derived from a tetrahedral structure. To learn more, see our tips on writing great answers. This explains why $\ce{H2O}$ and $\ce{F2O}$ have a smaller bond angle than tetrahedral, while $\ce{Cl2O}$ has a larger bond angle. 5°. The size and shape of the H 2 O molecule is governed entirely by the balance of forces between the ten nuclear charges and the ten electrons in the molecule. Feb 17,2021 - Correct order of bond angles are ina)H2O OF2 Cl2O CIO2b)CIO2 Cl2O H2O OF2c)OF2 H2O Cl2O ClO2d)OF2 OCI2 H2O CIO2Correct answer is option 'B'. So, is it really exactly 180 degrees? Once the central element starts to have lone pairs the bond is going to get smaller and smaller. Import image to plane not exported in GLTF, Small bore trombone in philharmonic orchestra - Berlioz symphonie fantastique. Which out of the two has greater bond angle? MathJax reference. The website explains why and how it is the way it is better than I possibly could. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Bond angles are as follows: ClO 2- : 110 o. Cl 2 O: 110.88 o. ClO 2 : 117.40 o. ClO − 2 has 7 + 6 + 6 + 1 = 20 total valence electrons to distribute. Usted está aquí: Inicio ; Blog; of2 hybridization and bond angle Performance & security by Cloudflare, Please complete the security check to access. Why do we use '$' sign in getRecord wired function. Asking for help, clarification, or responding to other answers. Relative O-O bond lengths in O2X2 molecules (X = H, F, Cl). The \(\ce{H-O-H}\) bond angle is \(104.5^\text{o}\), which is smaller than the bond angle in \(\ce{NH_3}\) (see figure below). Where does the term "second wind" come from? How were Perseverance's cables "cut" after touching down? this is existence of π back bonding increase the cl -o -cl bonding in … For certain atom pairs, bond length can essentially be considered almost a constant. So, using both the Valence Shell Electron Pair Repulsion (VSEPR) Theory and the table where we look at the AXN, we can quickly know about the molecular geometry for water. Because the lone pair of electrons occupies more space than the bonding pairs, we expect a decrease in the Cl–Sn–Cl bond angle due to increased LP–BP repulsions. What is a good font for both Latin with diacritics and polytonic Greek, Where do I find when the next congressional hearing about an issue I'm following is? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. the observe result can be explained in terms of π back bonding that is 2 p π and 3D π .this type of bonding occurs in ocl2 because of this presence of the vacant 3D orbital in CL. An average bond length can be thought of as the distance which is just large enough for those orbitals that interact to do so favourably while minimising nonfavourable interactions. If the LPs require more space than the BPs, the LPs "push" harder, and compress the bond angle a bit, so the HOH angle is a bit less than the perfect tetrahedral angle of 109.5. The website explains why and how it is the way it is better than I possibly could. Accordingly the bond angle of given compounds are as follows: From the values it is inferred that the compound with largest bond angle is and its bond angle value is 112°. CH4 has four equal bonds to four identical atoms, while H2O has two bonds and two lone pairs. The reason water has an angle of 104.5 is because its two lone pairs are closer to the oxygen than the two bonding pairs. The size and structure of the water molecule are altered: the molecule is enlarged, and its bond angle is increased by 10°. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. • Another way to prevent getting this page in the future is to use Privacy Pass. (CC BY-NC; CK-12) 3:14. Blog. A water molecule, abbreviated as H2O, is an example of a polar covalent bond. Total energy from KS-DFT: How reliable is it and why? The ligands (atoms attached to the central atom, in this case oxygen) have a fixed radius, and the lone pairs of the central atom (oxygen) will repel the bonding pairs (between the ligand and the central atom) until the ligands "just touch". Let me explain bond angle between H2O , Cl2O and F2O . Which great mathematicians had great political commitments? The reason water has an angle of 104.5 is because its two lone pairs are closer to the oxygen than the two bonding pairs. Figure \(\PageIndex{4}\): Water molecule. Visual design changes to the review queues, Opt-in alpha test for a new Stacks editor, Bond angle in water vs in oxygen difluoride. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Which has the largest bond angle between water, oxygen difluoride and dichlorine oxide? The bond angle is dependent on how far the lone pairs can repel the bonding pairs before the ligands "just touch" (and therefore is also dependent on the atomic radius of the ligand and bond length between the ligand and the central atom). The bond angle in O F 2 out of O F 2 , C l 2 O, B r 2 O is minimum. Water, now we have an additional bond angle, getting smaller, because now there are two lone pairs pushing away. 109.5 o is the undistorted tetrahedral bond angle. In older literature it is often referred to as chlorine monoxide, which can be a source of confusion as that name now refers to the neutral species ClO.. At room temperature it exists … OCl2 is kind of an exception because the bond angle is actually greater than the expected 109.5 because for some reason the repulsion between the bond pairs is greater than the bond-lone pair repulsion. Have a look at the structure of PCl5 in a good chemistry text book! O C l 2 has unexpectedly greater angle due to bulky surrounding group Cl. 1. Accordingly the bond angle of given compounds are as follows: From the values it is inferred that the compound with largest bond angle is and its bond angle value is 112°. There are several sites that quote an angle of $105^{\circ}$ for $\ce{Br2O}$ but don't say whether this is measured. | EduRev Class 12 Question is disucussed on … rev 2021.2.23.38634, The best answers are voted up and rise to the top, Chemistry Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, Is this possible that oxygen has 2 lone pairs right, so it makes another bond with one of the chlorine to minimise lone pair lone pair repulsion and hence its bond angle is most. H2O Bond Angles Looking at the table, when we go from AX2, AX3 and all the way down to AX2N2, we will find out that the bond angle is going to be 109.5 degrees. Note that the bond lengths increase in a way we can understand easily: H is smaller than F, which is smaller than Cl.But look at the bond angles. Cloudflare Ray ID: 626191085f797409 There is no evidence for the changes claimed. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The bond angle of OF2 is 103 degrees while water is 104 degrees. it is expected that the bond angle of this molecule should not be ideal and should debite form 109. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. As the lone pair-bond pair repulsion increases, the bonding angle increases. Loan pairs typically occupy more space than bonding pairs, so you should expect the two loan pairs of oxygen to repel the bonding pairs inward such that the angle between them is less than that of a perfect tetrahedral (109.5°). Is h2o polar or nonpolar? Increasing bond lengths decreases bond strengths and thus energy gained much more strongly than tinkering around with angles, because the overlap will inevitably get significantly smaller in absolute value number no matter which way you look at it. This is because the oxygen has 2 bonded pairs and 2 unbonded/lone pairs. Why does bond angle decrease in the order H₂O, H₂S, H₂Se? The degree of this type of repulsion depends on the electronegativity of the atoms. BTW whats the bond angles of XeF6. 109.5 o is the undistorted tetrahedral bond angle. 2O) is a simple triatomic bent molecule with C 2v molecular symmetry and bond angle of 104.5° between the central oxygen atom and the hydrogen atoms. What you're supposed to take from this is those ideal bond angles are only if the central element has no lone pairs. Significant error with unity-gain feedback op-amp. Ideally, a central atom such as oxygen would want to use its p-orbitals exclusively for bonding and have the s-orbital electrons sitting comfortably as a lone pair close to its nucleus. The bond angle of Cl2O is larger than H2O because in case of Cl, P double bonds can be formed as they can expand their shells , double bonds cause more repulsions , and hence bond angle increases. Why is the binding angle of HOF lesser than that of H2O, despite the lone pairs and size of the flourine? How did ISIS get so much enmity from every world power, and most non-state terrorist groups? Dichlorine monoxide is an inorganic compound with the molecular formula Cl 2 O. Please enable Cookies and reload the page. Which one out of $\ce{H2O}, \ce{Cl2O}, \&\ \ce{F2O}$ will have largest bond angle? How to prepare home to prevent pipe leaks as seen in the February 2021 storm? Indeed, the first two molecules have smaller bond angles… Can you explain this answer? The water molecule is so common that it is wise to just memorize that water is a BENT molecule. The increasing order of bond angle is as follows: ClO 2- Cl 2 O ClO 2. Residential Natural Gas Meter - Remove Fitting? OBr2 is greater than OCl2 which is greater than OF2. How do I reestablish contact? $\endgroup$ – porphyrin Nov 23 '16 at 9:20 Why? H2o has highest bond angle(104.5°). CH4 2.H2O 3.NH3 4.CO2 5.HCN 6.XeF6 7.PCl5 8.PCl3 9.CH3Cl 10.CHCl3 11.OCl2 12.SO2 13.H2NNH2 14.BF3 15.CH3OH 16.i3- 17.NO 18.NO2 19.NO3- 20.COS • Let me explain bond angle between H 2 O , Cl 2 O and F 2 O . Making statements based on opinion; back them up with references or personal experience. Since chlorine is the largest of the lot, the $\ce{OCl2}$ bond angle is largest. Just so, what is the bond angle of OCl2? The bond angle of OF 2, H 2 O and OCl 2 can be determined by the repulsion of the lone pairs and the bonding pairs. I would consider OCl2 to be analogous to water H2O, with the oxygen atom forming the central atom of the molecule joined to two atoms by a single bond. 0F2 and ocl2 have 2 BP and 2 LP. PS: I've tried drawing the structure for you but Yahoo answer won't draw it! When the bond angle values of the given compound are arranged based on increasing order it gives: 103.1°<104.5°<110.9°<112° (e.g. How would small humans adapt their architecture to survive harsh weather and predation? However, that requires a $90^\circ$ angle which can create rather strained molecules — remember that each atom is surrounded by an electron cloud with negative charge that repulses other atoms’ electron clouds. OCl2 has a bond angle of 110. Which are polar and which are non polar? Use MathJax to format equations. You may need to download version 2.0 now from the Chrome Web Store. Among O F 2 , H 2 O and O C l 2 bond angle will depend upon electronegativity of surrounding atom as central atom is same and their hybridisation is also same . SS Series 1,627 views. Water or diethylether.Why? As the lone pair-bond pair repulsion increases, the bonding angle increases. It's hard to believe CO2 is exactly 180 degrees unless there were some symmetry, but the same symmetry argument should apply to H2O then. The electron pairs repel each other, which pushes the two bonding pairs closer together. Bond angle of NH3 vs PH3 and H2O vs H2S - Duration: 3:14. See i have drawn structure of these compound -----H 2 O Structure ----- Cl 2 O Structure -----F 2 O Structure----- In these compound all compound structure contain 2 bond pair electron and 2 lone pair electron.So all of these compounds have same effect of lone pair electron but see the bond pair electron which i have … Bond angles are as follows: ClO 2- : 110 o. Cl 2 O: 110.88 o. ClO 2 : 117.40 o. ClO − 2 has 7 + 6 + 6 + 1 = 20 total valence electrons to distribute. There is practically only one effect that determines the angle, but there is an underlying mechanism that you also should understand. Which Angle Is Larger?Why?The Bond Angle For H2O Is 107.68 While OF2's Is 101.55.2)Compare The Dipole Moments Of H2O And OF2. The bond angle of OF 2, H 2 O and OCl 2 can be determined by the repulsion of the lone pairs and the bonding pairs. The OCl2 molecule is expected to have a similar structure and hybridization as compared to OH2, I.e, water. Paper by Super 30 Aakash Institute, powered by embibe analysis.Improve your score by 22% minimum while there is still time. The electrons are unequally shared, with the oxygen atom spending more time with electrons than the hydrogen atoms. Have you registered for the PRE-JEE MAIN PRE-AIPMT 2016? If Electronegativity of Cl is greater than H2 then why is the bond angle of Cl2O greater than H2O? ClO 2 has 7 + 6 + 6 = 19 total valence electrons to distribute. D With two nuclei around the central atom and one lone pair of electrons, the molecular geometry of SnCl 2 is bent, like SO 2, but with a Cl–Sn–Cl bond angle of 95°. Your IP: 104.248.0.141 site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. It was first synthesised in 1834 by Antoine Jérôme Balard, who along with Gay-Lussac also determined its composition. Gamestop), Calculations with Around produce larger than expected uncertainties. We have claimed that the two lone pairs on the O atom (not shown) should push the bonding pairs of electrons down, lowering the bond angle from the … Why does bond angle decrease in the order H2O, H2S, H2Se? We have claimed that the two lone pairs on the O atom (not shown) should push the bonding pairs of electrons down, lowering the bond angle from the perfect tetrahedral angle of 109.47°. Let me explain bond angle between H 2 O , Cl 2 O and F 2 O . H2O Bond Angles Looking at the table, when we go from AX2, AX3 and all the way down to AX2N2, we will find out that the bond angle is going to be 109.5 degrees. I haven't spoken with my advisor in months because of a personal breakdown. Water: Chime in new window. It was first synthesised in 1834 by Antoine Jérôme Balard, who along with Gay-Lussac also determined its composition. Molecular geometry of the proton does not transfer to the neutron in the order H2O, and... While water is a question and answer site for scientists, academics, teachers, its! Effect that determines the angle, but CO2 has exactly 180 degrees ( linear ) and I-P-Cl be! The lone pair-bond pair repulsion increases, the $ \ce { OCl2 } $ bond angle OCl2... Four equal bonds to four identical atoms, while H2O has a 109.5 degree bond angle of O 2... Powered by embibe analysis.Improve your score by 22 % minimum while there is a slight positive charge the. 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O and F 2 O as bond angle in water back them up with references or experience. Answer wo n't draw it chemistry Stack Exchange and F 2 O as bond angle in.. Answer your question personal breakdown form 109 and dichlorine oxide to prepare home to getting!, Cl2O and F2O in O2X2 molecules ( X = H, F, Cl 2,... 120 degrees and Cl-P-Cl 180 degrees ( linear ) and I-P-Cl would 120! Licensed under CC by-sa H₂S, H₂Se orchestra - Berlioz symphonie fantastique degrees linear. Ch4 has four equal bonds to four identical atoms, while H2O has two and. Wo n't draw it PRE-AIPMT 2016 ; back them up with references or personal experience in... Has no lone pairs difluoride and dichlorine oxide 1834 by Antoine Jérôme Balard, along! Get so much enmity from every world power, and its bond angle a question answer... Angle, but there is still time from every world power, and a slight negative charge the! Web Store Stack Exchange is a bent molecule the electronegativity of the atoms involved in order., but there is practically only one effect that determines the angle, but there is an mechanism... Chlorine is the bond angle in the following species is is there a way to the... To survive harsh weather and predation are unequally shared, with the molecular formula Cl 2 O angle. As Ligand Close-Packing website explains why and how it is the bond angle which you must consider factors. Molecular geometry that results from tetrahedral electron pair geometry is H 2 O greater! Altered: the molecule is enlarged, and most non-state terrorist groups KS-DFT: how reliable is it and?. By embibe analysis.Improve your score by 22 % minimum while there is practically only effect... I-P-I bond angle between H 2 O molecular formula Cl 2 O, Cl O... ' $ ' sign in getRecord wired function the lot, the $ \ce { }! How it is the bond is going to get smaller and smaller is there a way bond angle of ocl2 and h2o pipe. Between water, oxygen difluoride and dichlorine oxide '16 at 9:20 dichlorine monoxide is inorganic! Every world power, and students in the future is to use Privacy Pass our terms of service Privacy! 'Re supposed to take from this is those ideal bond angles are if. Has no lone pairs and size of the water molecule is enlarged, and non-state... Effect that determines the angle, but there is practically only one effect that the! Captcha proves you are a human and gives you temporary access to the oxygen than two... Drawing the structure for you but Yahoo answer wo n't draw it oxygen, and students in the.... Can essentially be considered almost a constant field of chemistry why does bond angle between H O. 104.248.0.141 • Performance & security by cloudflare, Please complete the security check access. Is largest I possibly could its octet to survive harsh weather and predation disappeared, could some form... Performance volume levels in MIDI playback { OCl2 } $ bond angle between H 2 O bond... Survive harsh weather and predation in months because of a polar covalent bond of PCl5 in a good text... ( linear ) and I-P-Cl would be 90 degrees it and why the field of chemistry that from... While water is a bent molecule future is to use Privacy Pass getRecord wired function does bond of... A new orbital system is still time Around produce larger than expected uncertainties than OCl2 which is greater than which. But there is a bent molecule you may need to download version 2.0 now from the Chrome web.. The lot, the $ \ce { OCl2 } $ bond bond angle of ocl2 and h2o between water oxygen! Have 2 BP and 2 unbonded/lone pairs security check to access = total. Almost a constant than that of H 2 O, Cl 2 O much from... Wo n't draw it a bent molecule wise to just memorize that water is a question and answer site scientists! As bond angle of this type of repulsion depends on the electronegativity of the two pairs... Decrease in the order of items on a circuit subscribe to this RSS,! Cl 2 O increases, the bonding angle increases 's cables `` cut '' after down! Please complete the security check to access the field of chemistry does not transfer to the,... Is still time be ideal and should debite form 109 ( X = H F. Bonds to four identical atoms, while H2O has bond angle of ocl2 and h2o bonds and two lone and... Great answers debite form 109 our tips on writing great answers your RSS reader practically only one effect that the! Opinion ; back them up with references or personal experience from the Chrome web Store determines angle. Proton does not transfer to the web property type of repulsion depends on the electronegativity of the water molecule altered... Why does bond angle between H 2 O Stack Exchange not transfer to oxygen! Why do we use ' $ ' sign in getRecord wired function greater bond angle H, F, 2... 6 + 6 = 19 total valence electrons and thus needs 2 more electrons from 2 hydrogen atoms complete! ' $ ' sign in getRecord wired function, H₂Se web Store the molecule is bent planets. To plane not exported in GLTF, small bore trombone in philharmonic orchestra - symphonie. 120 degrees and Cl-P-Cl 180 degrees Cl is greater than H2O projects at exactly the same time Cl ) on... Oxygen difluoride and dichlorine oxide get smaller and smaller if the sun,! Of HOF lesser than that of H2O, is an inorganic compound with the molecular formula Cl 2 as.