Solve this: Q. In the protonation of NH3 molecule, following statement is true:- (1) A covalent bond is formed (2) Hydrogen bond is formed (3) Hybridisation state of N is changed (4) Shape of NH3 molecule is changed Share with your friends Share 5 Vartika Jain answered this Dear Student, When NH3 molecule is protonated, NH4+ is formed. The H is attached to NH3 by coordinate bond. The hybridisation of NH3 as well as NH4+ is same i.e. sp3.The shape is however changed from pyramidal to tetrahedral. Hence, correct answer is (4) 9 View Full Answer