Assertion : Benzene exhibit two different bond lengths, due to C … - Vidyadip

MCQ

Assertion : Benzene exhibit two different bond lengths, due to $C -C$ single and $C = C$ double bonds.

Reason : Actual structure of benzene is a hybrid of following two structures.

A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
✓
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.

✓

Answer

Correct option: C.

If the Assertion is correct but Reason is incorrect.

c
Benzene has a uniform $C -C$ bond distance of $139\, pm$ , a value intermediate between the $C -C$ single. $(154\, pm)$ and $C = C$ double $(134\, pm)$ bonds.

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