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In Coverset(a)-C=Coverset(b)-C=Coverse...

In
`Coverset(a)-C=Coverset(b)-C=Coverset(c )-Coverset(d)-C`
the strongest `C-C` single bond is

A

b

B

a

C

c

D

d

Text Solution

Verified by Experts

The correct Answer is:
A
It is formed form the overlap of two `sp^(2)` hybrid orbitals. (a) and (c ) are `sp^(3)-sp^(2)` bond, and (d) is `sp^(3)-sp^(3)` bond. In general, an orbital with more `s` character forms stronger and shorter bond because the more the `s` character, the more is the probability of finding the shared `e^(-)s` closer to the positively charged nuclei and, hence, the stronger is the attraction.
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