Match the lists I and II and pick the correct matching from the codes given below.

List-I List-II

(complex) (Structure and
magnetic moment)
a) [Ag(CN)₂]^– 1) square planar and 1.73 BM
b) [Cu(CN)₄]^3– 2) Linear and zero
c) [Cu(CN)₆]^4–
3) Octahedral and zero
d) [Cu(NH)₃)₄]²⁺ 4) tetrahedral and zero

e) [Fe(CN)₆]^4– 5) octahedral and 1.73BM

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a-4, b-5, c-2, d-1, e-3

a-5, b-4, c-1, d-3, e-2

a-1, b-3, c-4, d-2, e-5

a-2, b-4, c-5, d-1, e-3

answer is A.

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Detailed Solution

Given: Match the following.

Explanation:

a) $[Ag {(CN)}_{2}]^{-}$ = ${Ag}^{+} \to 3 d^{10} n = 0 u = 0 Linear$

b) $[Cu {(CN)}_{4}]^{3 -}$ = ${Cu}^{+ 1} \to 3 d^{10} n = 0 u = 0$

c) $[C u {(C N)}_{6}]^{4 -}$ = ${Cu}^{+ 2} \to 3 d^{9} u = \sqrt{1 (1 +} 2 = 1.73$

d) ${[Cu {{(NH)}_{3})}_{4}]}^{2 +}$ = ${Cu}^{+ 2} \to 3 d^{9} {sp}^{3} {dsp}^{2}$

Hence, the correct option is (A) a-2, b-4, c-5, d-1, e-3.

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