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  • The calculated spin only magentic moment of  ion is :

The calculated spin only magentic moment of Cr^{2+} ion is :

Option: 1

2.84 BM


Option: 2

3.87 BM


Option: 3

4.90 BM

 


Option: 4

5.92 BM


Answers (1)

best_answer

The calculated spin only magnetic moment is given as:

\mu = \sqrt{n(n+2)}

Cr^2^+\rightarrow 3d^44s^0

So, for Cr^{2+}, there are 4 unpaired electrons.

Thus, spin only magnetic moment is:

\mu = \sqrt{4(4+2)}

\mu = 4.90

Therefore, Option(3) is correct.

Posted by

Rakesh

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