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The C-C bond length of the following mol...

The `C-C` bond length of the following molecules is in the order

A

`C_(2)H_(6) gt C_(2)H_(4) gt C_(6)H_(6) gt C_(2)H_(2)`

B

`C_(2)H_(2) lt C_(2)H_(4) lt C_(6)H_(6) lt C_(2)H_(4)`

C

`C_(2)H_(6) gt C_(2)H_(2) gt C_(6)H_(6) gt C_(2)H_(4)`

D

`C_(2)H_(4) gt C_(2)H_(6) gt C_(2)H_(2) gt C_(6)H_(6)`

Text Solution

Verified by Experts

The correct Answer is:
B
`underset(1.20 Å)(C_(2)H_(2)) lt underset(1.34 Å)(C_(2)H_(4))lt underset(1.39 Å)(C_(6)H_(6)) lt underset(1.54 Å)(C_(2)H_(6))`
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