Write a short note on Bohrs model of atom merits/demerits
Answers
Answer:
The Bohr Model provides an incorrect value for the ground state orbital angular momentum. It makes poor predictions regarding the spectra of larger atoms. It does not predict the relative intensities of spectral lines. The Bohr Model does not explain fine structure and hyperfine structure in spectral lines
Explanation:
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Answer:
*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*