Question

Write the demerits of bohr atom model ?

Answer 1

---> It couldn't explain the line spectrum of multi electron atoms 

---> It was only applicable for single electron system.

---> It couldn't explain the splitting of spectral lines under the influence of ZEEMAN'S EFFECT

---> It couldn't explain the shape of molecules 

---> It couldn't explain the fine structure of spectral lines

Answer 2

1-electron couldn't circle around nucleus like a planet Because they would lose energy & spiral into nucleus.

 2) Bohr was not able to explain electron orbits of large atom w/ many electrons