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Assertion : In formaldehyde all the four...

Assertion : In formaldehyde all the four atoms lie in one plane.
Reason : Carbonyl carbon forms a `pi`-bond with oxygen by overlapping of p -orbitals.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
The carbonyl carbon is `sp^(2)` hybridised and forms three sigma bonds. Thus carbonyl carbon and three atoms attached to it lie in the same plane and `pi`- electron cloud is above and below this plane.
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