Question

Statement I Single $N - N$ bond is weaker than the single $P - P$ bond due to high interelectronic repulsion of the non-bonding electrons, owing to the small bond length.
Statement II The catenation tendency is stronger in nitrogen as compared to phosphorus.

• A. Statement $I$ and Statement $II$ are correct and Statement $II$ is the correct explanation of Statement $I$.
• B. Statement $ I$ and Statement II are correct but Statement II is not the correct explanation of Statement $I$.
• C. Statement $I$ is correct but Statement $II$ is incorrect.
• D. Statement $II$ is correct but Statement $I$ is incorrect.

Answer 1

Answer: (B)

$N - N$ bond is weaker than the single $P - P$ bond due to high interelectronic repulsion of the non-bonding electrons, owing to the small bond lengths. As a result, the catenation tendency of $N$ is weaker.