1.

In the compound CoCl_(3).5NH_(3) :

Answer»

all the cl show PRIMARY valency (PV) only
two cl show (PV) and one Cl SECONDARY valency (SV)
two Cl show (PV) and one Cl (PV) as well as (SV)
all the Cl show (SV)

Solution :`Co(NH_(3))_(5)UNDERSET(PV + SV)underset(DARR)(Cl) underset(PV only)underset(darr)(Cl_(2))`


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