Co-Ordination Compounds Question 233

Question: The diamagnetic species is:

(I) [Cu(CN)4]3
(II) [Co(NH3)6]3+ (III) [Ni(NH3)6]2+
(IV) [Fe(CN)6]3

Options:

A) I, III

B) I, II

C) III, IV

D) only IV

Show Answer

Answer:

Correct Answer: B

Solution:

(I) [Cu(CN)4]3(Diamagnetic),μ=0

(II) [Co(NH3)6]3+(Diamagnetic),μ=0

(III) [Ni(NH3)6]2+(Paramagnetic),μ=8,BM

(IV) [Fe(CN)6]3(Paramagnetic),μ=3BM



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