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. $
