JEE Main 2025 Chemistry question
A group 15 element forms dπ–dπ bond with transition metals. It also forms hydride, which is a strongest base among the hydrides of other group members that form dπ–dπ bond. The atomic number of the element is .
Answer: 15
Solution
Phosphorus (atomic number 15) forms dπ-dπ bonds; PH3 is strongest base among group 15 hydrides that form such bonds (excluding NH3)