Question

Assertion (A) The elements of the group $14$ are slightly more electronegative than group $13$ elements.
Reason (R) Group $14$ elements are larger in size than group $13$ elements.

• A. Both $A$ and $R$ are correct; $R$ is the correct explanation of $A$.
• B. Both $A$ and $R$ are correct; $R$ is not the correct explanation of $A$.
• C. $A$ is correct; $R$ is incorrect.
• D. $A$ is incorrect; $R$ is correct.

Answer 1

Answer: (C)

Group $14$ elements are actually smaller in size than group $13$ elements. Group $14$ elements are slightly more electronegative than the latter.
Thus, $A$ is correct but $R$ is incorrect.