Given the molecular formula of the hexacoordinate complexes A CoCl 3 ·6 NH 3 B CoCl 3 ·5 NH 3 C CoCl 3 ·4 NH 3 If the number of coordinated NH 3 molecules in A, B and C respectively are 6, 5 and 4, the primary valency in (A), (B) and (C) ar

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Given the molecular formula of the hexacoordinate complexes A CoCl 3 ·6 NH 3 B CoCl 3 ·5 NH 3 C CoCl 3 ·4 NH 3 If the number of coordinated NH 3 molecules in A, B and C respectively are 6, 5 and 4, the primary valency in (A), (B) and (C) are -

Quantrex Academy · Accepted Answer

Correct answer: A. 3, 3, 3

Co has six coordination number, hence formulae for compounds A, B and C should be A Co NH 3 6 Cl 3 B Co NH 3 5 Cl Cl 2 NH 3 C Co NH 3 4 Cl 2 Cl NH 3 2 Primary valency is equal to the oxidation state of the central metal ion.

Given the molecular formula of the hexacoordinate complexes A CoCl 3 ·6 NH 3 B CoCl 3 ·5 NH 3 C CoCl 3 ·4 NH 3 If the number of coordinated NH 3 molecules in A, B and C respectively are 6, 5 and 4, the primary valency in (A), (B) and (C) are -

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