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Coordination Compounds question

2013 · Q100
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Coordination Compounds question

2013 · Q100

NEETChemistryCoordination CompoundsMCQ+4 / −1
A magnetic moment at 1.73 BM will be shown by one among of the following
  1. A
    TiCl4
  2. B
    [CoCl6]4−-−
  3. C
    [Cu(NH3)4]2+
  4. D
    [Ni(CN)4]2−-−
View written solutionFree

Correct answer: C

For μ\mu μ = 1.73 B.M. n will be :

1.73 = n(n+2)\sqrt {n\left( {n + 2} \right)} n(n+2)​

⇒\Rightarrow⇒ n = 1

In [Cu(NH3)4]2+. Cu+2 = [Ar]3d9

NEET 2013 Chemistry - Coordination Compounds Question 81 English Explanation


NH3 = Strong field ligand

Here, unpaired electron gets excited to higher energy level but it still remains unpaired.

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