Q. Give the IUPAC name of is

 5448  195 KCETKCET 2020Coordination Compounds Report Error

Solution:

is neutral, making the first complex positively charged overall.
has a charge, making the second complex the anion and so platinum ends with -ate.
Therefore, the complex with comes first, followed by the one with .
Option (A) is correct. The I.U.P.A.C name for
is tetraammineplatinum(II) tetrachloridoplatinate(II)