Question

Inert pair effect is more prominently seen in:

• A. nitrogen
• B. bismuth
• C. phosphorus
• D. antimony

Answer 1

The correct option is B bismuth

Inert pain effect is seen in elements in $6^{th}$and $7^{th}$ period $Bi$ is in $6^{th}$period.
$\therefore$ Inert pain effect is more prominently seen in Bismuth.