Question

Which is incorrect for PV & SV, as mentioned
infront of the compound :-
(SV = Secondary Valency, PV = Primary Valency)
(1) [Cr(NH,),]CI,, PV = 3, SV = 6
(2) K, [PtCl,], PV = 2, SV = 4
(3) [Pt(NH,),CI,), PV = 2, SV = 4
(4) [Cu(NH2),]SO,, PV = 4, SV = 4​

Answer 1

Answer:

mujhe nhi pata nhi

Explanation:

pata hai