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Given the molecular formula of the hexac...

Given the molecular formula of the hexacoordinated complexes (A) `[CoCl_(3).6NH_3]` (B) `[CoCl_(3).5NH_3]` (C) `CoCl_(3).4NH_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:

A

3, 3, 3

B

0, 1, 2

C

3, 2, 1

D

6, 5, 4

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A
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Given the molecular of the hexacoordinated complexes is : (1)CoCl_(3).6NH_(3)" "(2)CoCl_(3).5NH_(3)" "(3)CoCl_(3).4NH_(3) If the number of co-ordinated NH_(3) molecules in (1),(2) and (3) respectively are (6),(5) and (4) , the primary valency in (1),(2) and (3) are :

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