Question

give any two demerits of bohr model​

Answer 1

Answer:

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Explanation:

It was primarily for hydrogen atom. It couldn't elaborate spectra of multi-electron atoms. Wave nature of electron was not justified by the model

Answer 2

Demerits of bohr model

• It was primarily for hydrogen atom
• It couldn’t elaborate spectra of multi-electron atoms
• Wave nature of electron was not justified by the model (inconsistent with the de Broglie’s hypothesis of dual nature of matter)
• It didn’t illustrated molecules making process of chemical reactions
• It violated Heisenberg’s Principal(Δx× Δp ≥nh/(2π)) which said that it was impossible to evaluate theprecise position and momentum of electron (and other microscopic particles) simultaneously.Only their probability could be estimated.
• Zeeman effect(spectral lines variation due to external magnetic field) and Stark Effect(spectral lines variation due to external electric field) couldn’t be described by the model