Question

Bohr’s model of hydrogen atom is a modification of Rutherford’s model. 

(a) Write any two merits of Bohr’s model. 

(b) Write any two demerits of Bohr’s model.

Answer 1

a) 1. Bohr’s model could explain the stability of an atom. 

2. Bohr’s model could explain the atomic spectrum of hydrogen. 

b) 1. Failed to explain the finer details of hydrogen atom spectrum observed by using sophisticated spectroscopic techniques.

2. It could not explain the ability of atoms to form molecules by chemical bonds.