JEE Main 2022 · 25 Jul · Shift 2 · Chemistry Q71 · Dronacharya Exams

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ChemistrySingle correct+4 / -1Question 71 of 90

The correct order of energy of absorption for the following metal complexes is

A : $\mathrm{[Ni(en)_3]^{2+}}$ , B : $\mathrm{[Ni(NH_3)_6]^{2+}}$ , C : $\mathrm{[Ni(H_2O)_6]^{2+}}$

A

C < B < A

B

B < C < A

C

C < A < B

D

A < C < B

Answer and worked solution

Official answer: A

Field strength en > NH₃ > H₂O, so absorption energy C < B < A.

(A)

Topics:Crystal field theory

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