Given below are two statements : Statement-I Hybridisation, shape and spin only magnetic moment of K3[Co(CO3)3] is sp 3d 2, octahedral and 4.9 BM respectively. Statement-II Geometry, hybridisation and

Question

Given below are two statements : Statement-I Hybridisation, shape and spin only magnetic moment of K3[Co(CO3)3] is sp 3d 2, octahedral and 4.9 BM respectively. Statement-II Geometry, hybridisation and spin only magnetic moment values (BM) of the ions [Ni(CN)4] 2–, [MnBr4] 2– and [CoF6] 3– respectively are square planar, tetrahedral, octahedral : dsp 2, sp 3, sp 3d 2 and 0, 5.9, 4.9. In the light of the above statements, choose the correct answer from the options given below

(A) Both statement-I and statement-II are false
(B) Statement I is false but statement-II is true
(C) Both statement-I and statement-II are true
(D) Statement-I is true but statement-II is false

Prashant Kotian · Accepted Answer

Correct answer: C. In K3[Co(CO3)3]  sp 3d 2 hybridized, octahedral  4 unpaired electron  4.9 B.M. [Ni(CN)4] 2–  dsp 2 hybridized , square planar  0 unpaired electron  0 B.M. [MnBr4] 2–  sp 3 hybridized , tetrahedral  5 unpaired electron  5.9 B.M. [CoF6] 3–  sp 3d 2 hybridized, octahedral  4 unpaired electron  4.9 B.M.

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