Q.

Correct matching from the codes given below
 

 List -I(complex) List -II (Structure and magnetic moment)
A)[Ag(CN)2]i)square planar and 1.73 BM
B)[Cu(CN)4]3–ii)linear and zero
C)[Cu(CN)6]4–iii)octahedral and zero
D)[Cu(NH4)3]+2iv)tetrahedral and zero
E)[Fe(CN)6]4–v)octahedral and 1.73BM
 ABCDE
1iiivviiii
2viviiiiii
3iiiiiviiv
4ivviiiiii

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a

2

b

1

c

3

d

4

answer is A.

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Detailed Solution

Complex Electronic configuration of central metal ion

Number of unpaired electrons

 

StructureMagnetic moment
[Ag(CN)2]-[Kr]4d100LinearZero
[Cu(CN)4]-3[Ar]3d100Tetrahedral Zero
[Cu(CN)6]-4[Ar]3d91Octahedral1.73BM
[Cu(NH3)4]+2[Ar]3d91square planar1.73 BM
[Fe(CN)6]-4[Ar]3d60OctahedralZero
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