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Comment on the nature of two S-O bonds formed in SO_2 molecule. Are the two S-O bonds in this molecule equal ? |
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Answer» <P> SOLUTION :In the structure of `SO_2`S is `sp^2`-hybridised. Two of the three `sp^(2)`-orbtials form two o-bonds while the third CONTAINS the lone pair of electrons. S is now left with one half-filled p-orbital and one half-filled d-orbtials. They form one`p pi - p pi and" one " p pi - d pi ` double bond with oxygen atom. Thus, `SO_2` has BENT structure with OSO bond ANGLE of `119.5^(@)`. Due to resonance, the two `pi`-bonds are equal (143 pm). |
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