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JEE Main202228 Jul 2022Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Concentrated HNO 3 reacts with Iodine to give

Options

  1. AHI , NO 2 and H 2 O
  2. BHIO 2 , N 2 O and H 2 O
  3. CHIO 3 , NO 2 and H 2 O
  4. DHIO 4 , N 2 O and H 2 O

Correct answer

C. HIO 3 , NO 2 and H 2 O

Step-by-step solution

Concentrated nitric acid is a strong oxidizing agent. Concentrated nitric acid also oxidises non–metals and their compounds. Iodine is oxidised to iodic acid. I 2 + 10 HNO 3 conc ⇒ 2 HIO 3 + 10 NO 2 + 4 H 2 O

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