The order of energy absorbed which is responsible for the color of com

1.	The order of energy absorbed which is responsible for the color of complexes(A) [Ni(H2O)2(en)2]2+(B) [Ni(H2O)4(en)2+ and(C) [Ni(en)3]2+(1) (C)>(B)>(A)(2) (C)>(A)>(B)(3) (B)>(A)>(C)(4) (A)>(B)>(C)
Answer» Correct option is (2) (C)>(A)>(B) (A) [Ni(H₂O)₂(en)₂]²⁺ (B) [Ni(H₂O)₄,(en)]²⁺ (C) [Ni(en)₃]²⁺ en is SFL (strong field ligand) As the number of en (strong ligand) increase splitting also increases. So, Δ₀ increases. i.e. maximum energy will be absorbed in case of option C. So the order is C > A > B

The order of energy absorbed which is responsible for the color of complexes(A) [Ni(H2O)2(en)2]2+(B) [Ni(H2O)4(en)2+ and(C) [Ni(en)3]2+(1) (C)>(B)>(A)(2) (C)>(A)>(B)(3) (B)>(A)>(C)(4) (A)>(B)>(C)

Answer»

Correct option is (2) (C)>(A)>(B)

(A) [Ni(H₂O)₂(en)₂]²⁺

(B) [Ni(H₂O)₄,(en)]²⁺

en is SFL (strong field ligand)

As the number of en (strong ligand) increase splitting also increases.

So, Δ₀ increases.

i.e. maximum energy will be absorbed in case of option C.

So the order is C > A > B

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The order of energy absorbed which is responsible for the color of complexes(A) [Ni(H2O)2(en)2]2+(B) [Ni(H2O)4(en)2+ and(C) [Ni(en)3]2+(1) (C)&gt;(B)&gt;(A)(2) (C)&gt;(A)&gt;(B)(3) (B)&gt;(A)&gt;(C)(4) (A)&gt;(B)&gt;(C)

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The order of energy absorbed which is responsible for the color of complexes(A) [Ni(H2O)2(en)2]2+(B) [Ni(H2O)4(en)2+ and(C) [Ni(en)3]2+(1) (C)>(B)>(A)(2) (C)>(A)>(B)(3) (B)>(A)>(C)(4) (A)>(B)>(C)