Chemistry-Covalent Bond

NEET Chemistry Covalent Bond Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 11

Assertion (A): Sigma (σ) bonds are generally stronger than pi (π) bonds. | Reason (R): Sigma bonds result from end-to-end overlap of orbitals along the internuclear axis.

A

Both A and R are true, and R is the correct explanation of A.

B

Both A and R are true, but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

Correct Answer

Option A

Detailed Explanation

Sigma bonds involve head-on overlapping along the internuclear axis, providing stronger overlap and stability compared to pi bonds, which involve side-by-side overlap.

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