Question

2. GIVE TWO MERITS AND THREE LIMITATIONS OF BOHR'S MODEL OF ATOM ordinaten​

Answer 1

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Explanation:

Merits of Bohr’s Theory:

1. The experimental value of radii and energies in hydrogen atom are in good agreement with that calculated on the basis of Bohr’s theory.

2. Bohr’s concept of stationary state of electron explains the emission and absorption spectra of hydrogen like atoms.

3. The experimental values of the spectral lines of the hydrogen spectrum are in close

agreement with that calculated by Bohr’s theory.

Limitations of Bohr’s Theory:

1. It does not explain the spectra of atoms having more than one electron.

2. Bohr’s atomic model failed to account for the effect of magnetic field (Zeeman effect) or electric field (Stark effect) on the spectra of atoms or ions. It was observed that when the source of a spectrum is placed in a strong magnetic or electric field, each spectral line further splits into a number of lines. This observation could not be explained on the basis of Bohr’s model.