Q. N_{2} forms NCl_{3}, whereas P can form both PCl_{3} and PCl_{5} why?
A) P has low lying 3d orbitals which can be used for bonding but N_{2} does not have low lying 2d orbital
B) N_{2} atom is larger than P in size
C) P is more reactive towards Cl than N_{2}
D) None of the above
Explanation
(a)
N_{2} forms NCl_{3,} while P can form both PCl_{3} and PCl_{5} nitrogen does not give a pentahalide due to the non availability of 2d -orbital ,whereas p has low lying 3d-orbital which can be used for bonding.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.