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Bohr's Postulates

Which of the ...

Question

Which of the following is NOT a postulate of Bohr's model of the hydrogen atom?

A

Gases excited by a voltage emits a bright-light emission spectrum.

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B

The position of an electron in the hydrogen atom is not defined.

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C

Electron absorbs energy to make transition to a higher energy level.

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D

Electron emits energy when it makes transition to a lower energy level.

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E

The energy levels of the electron are quantized.

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Solution

The correct option is C
The position of an electron in the hydrogen atom is not defined.

Bohr showed that the electron in the hydrogen atom could only be found in certain selected (quantized) orbits, and no others.

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