What is the IUPAC name of $[Pt(NH_3)_2Cl_2]$?

Diamminedichloridoplatinum (II)

The correct answer is Option (2) → Diamminedichloridoplatinum (II)

• The complex is $[Pt(NH_3)_2Cl_2]$
• NH₃ is named as ammine and Cl⁻ as chlorido (or chloride)
• Metal is Pt, and its oxidation state is +2:

$\text{Pt: } x + 0(2) + (-1)(2) = 0 ⇒x = +2$

• Therefore, the IUPAC name is: $\text{Diamminedichloridoplatinum (II)}$