How many geometrical isomers and stereoisomers are possible for and respectively?

CHEMISTRY · Single correct · CBSE · Chemistry · Coordination Compounds · Coordination Compounds

Problem

How many geometrical isomers and stereoisomers are possible for

[\text{Pt}(\text{NO}_2)(\text{NH}_3)(\text{NH}_2\text{OH})(\text{Py})]^+

and

[\text{Pt}(\text{Br})(\text{Cl})(\text{I})(\text{NO}_2)(\text{NH}_3)(\text{Py})]

respectively? (1) 3 and 15 (2) 3 and 30 (3) 4 and 15 (4) 4 and 30