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CBSE Class 12 Chemistry 2023 Delhi Set 1 Solved Paper

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Question : 14 of 35
Marks: +1, -0
The magnetic moment of [NiCl4]2−[\mathrm{NiCl}_4]^{2-}
[Atomic number : Ni=28\mathrm{Ni}=28 ]
Solution:     👈: Video Solution
Explanation: Ni2+=28,3d84s0\mathrm{Ni}^{2+}=28,3 d^8 4 s^0, no. of unpaired electron =2=2.
μ=n(n+2)\mu=\sqrt{n(n+2)}
=2(2+2)=\sqrt{2(2+2)}
=8=2.82BM=\sqrt{8}=2.82 \text{BM}
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