JEE MAIN - Chemistry (2016 - 10th April Morning Slot - No. 18)

The bond angle H - X - H is the greatest in the compound :
CH4
NH3
H2O
PH3

Explanation

CH4 - sp3 hybridisation - Bond angle (109o28')

NH3 - sp3 hybridisation - Bond angle ( 107.8o)

H2O - sp3 hybridisation - Bond angle ( 104.5o)

PH3 - No hybridisation - Bond angle ( 90o)

Note : According to DRAGO RULE, lone pair of electrons are in pure s- orbital of the atom P. That is why PH3 has no hybridisation.

Comments (0)

Advertisement