question_answer

Geometry of ammonia molecule and the hybridization of nitrogen involved in it are        [MH CET 2004]

A)                 \[s{{p}^{3}}\]-hybridization and tetrahedral geometry

B)                 \[s{{p}^{3}}\]-hybridization and distorted tetrahedral geometry

C)                 \[s{{p}^{2}}\]-hybridization and triangular geometry

D)                 None of these

Correct Answer: B

Solution :

           In the ammonia molecule N atom is \[s{{p}^{3}}-\]hybridized but due to the presence of one lone pair of \[{{e}^{-}}\] (i.e. due to greater \[{{L}_{p}}-{{b}_{p}}\]repulsion) it has distorted tetrahedral (or pyramidal) geometry.