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Pick out the wrong statement about Bohr atom model:

  • A.Orbit of the electron is circular
  • B.Model is applicable only for single electron systems
  • C.Orbits of the electron are non-radiating
  • D.Angular momentum of electron in an orbit is quantized.
  • E.Model is applicable for many electron systems also

Answer: E

The wrong statement is Model is applicable for many electron systems also.

Bohr's model works only for hydrogen and hydrogen-like ions with a single electron, such as He+ and Li2+. It cannot account for the spectra of atoms with more than one electron, because it ignores electron-electron repulsion.

The other statements describe the model correctly: electrons move in circular orbits, those stationary orbits do not radiate energy, angular momentum is quantised as nh/2π, and the model applies only to one-electron systems.

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