Coordination Compounds 1 Question 22

Fill in the Blank

22. The type of magnetism exhibited by $\left[Mn\left(H _2 O\right) _6\right]^{2+}$ ion is ______.

(1994, 1M)

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Answer:

Correct Answer: 22. (paramagnetism)

Solution:

  1. Paramagnetism : $\operatorname{In}\left[Mn\left(H _2 O\right) _6\right]^{2+}, Mn$ (II) has $3 d^{5}$ configuration.

Since, $H _2 O$ is a weak ligand, all five $d$-electrons are unpaired :

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