The number of geometrical isomers for [Pt(NH₃)2Cl₂] is:
[Pt(NH₃)2Cl₂] (square planar, [Ma₂b2]) exhibits 2 geometrical isomers: cis (adjacent ligands) and trans (opposite ligands).
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Geometrical Isomerism in Coordination Compounds