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AIIMS 2011
Exam
AIIMS
Year
2011
Subject
Chemistry
Chapter
Redox Reactions

AIIMS 2011 · Chemistry · Redox Reactions

Predict the product of reaction of I_2 with H_2 O_2 in basic medium.

Predict the product of reaction of I2\mathrm{I}_2 with H2O2\mathrm{H}_2 \mathrm{O}_2 in basic medium.

Options

  1. AI−\mathrm{I}^{-}
  2. BI2O3\mathrm{I}_2 \mathrm{O}_3
  3. CIO3−\mathrm{IO}_3^{-}
  4. DI3−\mathrm{I}_3^{-}

Correct answer

A. I−\mathrm{I}^{-}

Step-by-step solution

I2(s)+H2O2(aq)+2OH−(aq)⟶2\mathrm{I}_{2(s)}+\mathrm{H}_2 \mathrm{O}_{2(a q)}+2 \mathrm{OH}^{-}(a q) \longrightarrow 2\mathrm{I}(aq)−+2H_{(a q)}^{-}+2 \mathrm{H}}_{2} O(l)+O2(g)\mathrm{O}_{(l)}+\mathrm{O}_{2(g)}
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