P-Block Elements Ques 580
Question: $ BCl_3 $ is a planar molecule whereas $ NCl_3 $ is pyramidal because
Options:
A) $ BCl_3 $ has no lone pair of electrons but $ NCl_3 $ has a lone pair of electrons.
B) $ B-Cl $ bond is more polar than $ N-Cl $ bond.
C) nitrogen atom is smaller than boron atom.
D) $ N-Cl $ bond is more covalent than $ B-Cl $ bond.
Show Answer
Answer:
Correct Answer: A
Solution:
In $ BCl_3 $ there is $ sp^{2} $ hybridisation (planar) whereas in $ NCl_3 $ hybridisation is $ sp^{3} $ hence shape is pyramidal
