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Oxides and Oxoanions

The magnetic ...

Question

The magnetic moment developed due to revolution of electron in first orbit is $M_{0}$ then the magnetic moment when electron is in fifth orbit will be -

A

M_{0}

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B

3 M_{0}

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C

5 M_{0}

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D

4 M_{0}

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Solution

The correct option is C $5 M_{0}$
We know that, magnetic moment,

$M \propto n$

So, its magnetic moment will become five times when the electron is in fifth orbit.

Hence, option $(C)$ is the correct answer.

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