Isomer Count Sum (Jee Mains)

Basic Concepts of Coordination Compounds

Hard

Isomer Count Sum

X is the number of geometrical isomers exhibited by [Pt(NH₃)(H₂O)BrCl].
Y is the number of optically inactive isomer(s) exhibited by [CrCl₂(ox)₂]^3–
Z is the number of geometrical isomers exhibited by [Co(NH₃)₃(NO₂)₃]
The value of X + Y + Z is ________ .

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