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Why is the bond length of H2O2 greater that bond length of O2F2?

Asked by Mehar(student) , on 11/4/13


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EXPERT ANSWER

We know that fluorine is a strongly electronegative element. So, it has tendency to attract electron density towards itself. Thus, in O2F2 , fluorine attracts electron densities towards itself resulting in smaller O-O bond. 

In H2O2, oxygen is not as strong an electronegative element as fluorine is. So, even though it does attract electron density towards itself but not to the extent and intensity of fluorine. So, H-H bond is not as affected as O-O bond in O2F2.

Posted by Sumeet Malik(MeritNation Expert)on 16/4/13

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*than

Posted by Mehar(student)on 11/4/13

The O-O bond length is shorter in O2F2 than in H2O2 due to higher electronegativity of F atom H2O2 is a covalent compoun

Posted by Srinivas S(student)on 11/4/13

 see here flourine is more electronegative than oxygen..he will witdraw more electrn than oxygen.resulting strong bond and is leads bond length shorter than h202

Posted by Kumar Hemjeet(student)on 11/4/13

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