1.

In which of the following cases C-C bond length will be highest?

Answer»

`CH_(3)-CF_(3)`
`FCH_(2)-CH_(2)F`
`F_(2)CH-CHF_(2)`
`CF_(3)-CF_(3)`

SOLUTION :According to Bent.s Rulemore electronegative substituents attached to HYBRID orbital that contains more p-character. HENCE , more p-character, longer will be bond length.


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