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JEE Main202429 Jan 2024Evening ShiftChemistryCoordination CompoundsActual

The correct IUPAC name of K 2 MnO 4 is:

Options

  1. APotassium tetraoxopermanganate (VI)
  2. BPotassium tetraoxidomanganate (VI)
  3. CDipotassium tetraoxidomanganate (VII)
  4. DPotassium tetraoxidomanganese (VI)

Correct answer

B. Potassium tetraoxidomanganate (VI)

Step-by-step solution

The structure of the IUPAC name is name of cationic part + Name of anionic part. Metal present in the anionic complex, so 'ate', must be added at the end of the metal name. Oxidation state of Mn Mn + 4 - 2 = - 2 = + 6 The structure of anionic complex name is ligand names + metal name(oxidation state) K 2 MnO 4 2 + x – 8 = 0 ⇒ x = + 6 Oxidation state of Mn = + 6 IUPAC Name is: Potassium tetraoxidomanganate VI

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