Coordination Compounds 2 Question 34

36. The spin only magnetic moment value (in Bohr magneton units) of $Cr(CO) _6$ is

(a) $0$

(b) $2.84$

(c) $4.90$

(d) $5.92$

(2009)

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Answer:

Correct Answer: 36. (a)

Solution:

  1. In $\operatorname{Cr}(CO) _6: 3 d^{6}$, has no unpaired electrons, zero magnetic moment.