question_answer

In case of nitrogen, \[NC{{l}_{3}}\] is possible but not \[NC{{l}_{5}}\] while in case of phosphorous, \[PC{{l}_{3}}\] as well as \[PC{{l}_{5}}\]are possible. It is due to [AIEEE 2002]

A) Availability of vacant d-orbital in P but not in N

B) Lower electronegativity of P than N

C) Lower tendency of H bond formation in P than N

D) Occurrence of P in solid while N in gaseous state at room temperature