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Q.

The calculated value of magnetic moment of Cr atom would be

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a

5.92 Bohr magneton

b

3.87 Bohr magneton

c

4.90 Bohr magneton

d

6.92 Bohr magneton

answer is D.

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Detailed Solution

The electronic configuration of Cr is 3d54s1. 

Hence μ/μB=6(8)=6.92.

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