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JEE Main levelSingle correct optionDifficulty 2 of 3cc064

The correct IUPAC name of the square planar complex $[Pt (NH X_{3}) (py) ClBr]$ (py = pyridine) is

Aamminebromidochlorido(pyridine)platinum(II)
Bamminechloridobromido(pyridine)platinum(II)
Camminebromidochlorido(pyridine)platinum(IV)
Damminebromidochlorido(pyridine)platinate(II)

Answer: A

The complex is neutral, so the metal name has no -ate. Charge:

x + 0 + 0 - 1 - 1 = 0

gives Pt(II). Alphabetical order: ammine, bromido, chlorido, pyridine.

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