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Question

Match the following
ColumnIColumnII(pair of complexes)(Property which is different in given pair(I) [Ni(CO)4] and K2[Ni(CN)4](p) Magnetic moment(II) [Cu(NH3)4]SO4 and K3[Cu(CN)4](q) O.N of central atom(III) K2[NiCl4] and K4[Ni(CN)4](r) Geometry(IV) K2[NiCl4] and K2[PtCI4](s) EAN of central atom(t) Hybridisation

A
I - (q, s, t); II - (p, r, s, t); III - (p, q, s); IV - (p, s, t)
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B
I - (q, r, s, t); II - (p, q, r,s, t); III - (p, q, s); IV - (p, r, s, t)
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C
I - ( r, s, t); II - (p, q, r,s, t); III - (p, s); IV - (p, r)
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D
I - (q, r, s, t); II - (p, q); III - (p, q, s); IV - ( r, s, t)
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Solution

The correct option is B I - (q, r, s, t); II - (p, q, r,s, t); III - (p, q, s); IV - (p, r, s, t)
(a) [Ni(CO)4]sp3 tetrahedral μ=0 EAN = 36
K2[Ni(CN)4]dsp2 square planar μ=0 EAN = 34
(b) [Cu(NH3)4]SO4dsp2 square planar μ=1.732 EAN = 35
K3[Cu(CN)4]sp3 tetrahedral μ=2.8 BM EAN = 34
(c) K2[NiCl4]sp3 tetrahedral μ=2.8 BM EAN = 34
K4[Ni(CN)4]sp3 tetrahedral μ=0 BM EAN = 36

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