These questions contains, Statement-I (assertion) and Statement-II (reason).
Statement-I : Although PF₅ , PCl₅ and PBr₅ are known, the penta halide of nitrogen have not been observed. Because
Statement-II : Phosphorus has lower electronegativity than nitrogen.

Question

These questions contains, Statement-I (assertion) and Statement-II (reason).

Statement-I : Although PF₅ , PCl₅ and PBr₅ are known, the penta halide of nitrogen have not been observed. Because

Statement-II : Phosphorus has lower electronegativity than nitrogen.

TestHub · Accepted Answer

N can't show covalency of 5 because of unavailability of vacant d-orbitals.

Chemistry - CHEMICAL BONDING Question with Solution | TestHub