8.22 What is meant by ‘disproportionation’? Give two examples of disproportionation reaction in aqueous solution.

Answers (1)
M manish

In a chemical reaction a substances gets oxidised as well as reduced simultaneously is called disproportionation reaction. For examples-

  • 3CrO_{4}^{3-}(V)+8H^{+}\rightarrow 2CrO_{4}^{2-}(VI)+Cr^{3+}(III)+4H_{2}O
  • 3MnO_{4}^{2-}(VI)+4H^{+}\rightarrow 2MnO_{4}^{-}(VII)+MnO_{2}(IV)+2H_{2}O

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