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Q.
The correct $IUPAC$ name of $[Pt(NH_{3})_{2}Cl_{2}]$ is
Coordination Compounds
Solution:
Ligands are named in alphabetical order. Ammine comes before chlorido ligand. Hence, option $(D)$ is ruled out. The oxidation state is written ib roman numerals. The correct oxidation state of platinum is $+2$. Hence, options $(B), (C)$ and $(D)$ are ruled out.
Let $X$ be the oxidation state of platinum. The oxidation state of ammonia is $0$ . The oxidation state of chlorine is $-1$. $X+2(0)+2(-1)=0$
$X - 2 = 0$
$X =+ 2 .$
Thus the correct name of the compound is diamminedichloridoplatinum(II)