D-And F-Block Elements Ques 83

Question: The spin magnetic moment of cobalt in the compound $ Hg

[Co{{(SCN)}_4}] $ is [IIT JEE Screening 2004]

Options:

A) $ \sqrt{3} $

B) $ \sqrt{8} $

C) $ \sqrt{15} $

D) $ \sqrt{24} $

Show Answer

Answer:

Correct Answer: C

Solution:

In this complex $ C{{O}^{2+}} $ ion have 3 unpaired electron so spin only magnetic moment will be $ \sqrt{3(3+2)} $ i.e., $ \sqrt{15}\ B.M. $



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