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Question

Match the column I with column II and mark the appropriate choice.

Column IColumn II
(A)[Fe(CN)6]3(i)Zero
(B)[CoF6]3(ii)5.92B.M.
(C)[Fe(H2O)6]3+(iii)4.89B.M.
(D)[Co(NH3)6]3+(iv)1.732B.M.

A
(A) - (ii), (B) - (iii), (C) - (iv), (D) - (i)
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B
(A) - (iii), (B) - (ii), (C) - (i), (D) - (iv)
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C
(A) - (i), (B) - (iii), (C) - (iv), (D) - (ii)
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D
(A) - (iv), (B) - (iii), (C) - (ii), (D) - (i)
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Solution

The correct option is D (A) - (iv), (B) - (iii), (C) - (ii), (D) - (i)
(A)Fe(CN)36Fe3+[Ar]3d5
1 Unpaired Electron.
1(1+2)=3=1.73BM

(B)[CoF6]3+Co3+[Ar]3d6
4 Unpaired Electron.
4(4+2)=24=4.89BM

(C)[Fe(H2O)6]3+[Ar]3d5
5 Unpaired Electron.
5(5+2)=35=5.92BM

(D)[Co(NH3)3+6[Ar]3d6
0 Unpaired Electron.
0(0+2)=0=0BM

1043038_936111_ans_b785ecb9f67343f2bc39b9def032022e.png

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