Based on Valence Bond Theory, match the complexes listed in Column I with the number of unpaired electrons on the central metal ion, given in Column II No. Complex ion No. Number of unpaired electrons (A) [ {\FeF}_6] ^{3-} (P) 0 (B) [ {\Fe}( {\CN})_6] ^{4-} (P) 1 (C) [ {\Fe} ( {\H}_2 {\O}) _6] ^{2+} (R) 5 (D) [ {\Fe}( {\CN})_6] ^{3-} (S) 4

Question

Examsnet · Accepted Answer

Correct Answer is : A=R‌B=P‌C=S‌D=Q

No.	Complex ion	No.	Number of unpaired electrons
(A)	[FeF6]3−	(P)	0
(B)	[Fe(CN)6]4−	(P)	1
(C)	[Fe(H2O)6]2+	(R)	5
(D)	[Fe(CN)6]3−	(S)	4

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