Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

The complex ion that will lose its crystal field stabilization energy upon oxidation of its metal to +3 state is :

  1. A

    [Ni(phen)3]2+

  2. B

    [Co(phen)3]2+

  3. C

    [Zn(phen)3]2+

  4. D

    [Fe(phen)3]2+

Solution

So, only Fe2+ will lose crystal field stabilisation upon oxidation to +3, others will gain crystal field stabilisation.

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