8.32 What is meant by ‘disproportionation’? Give two examples of disproportionation reaction in aqueous solution.
8.32 What is meant by ‘disproportionation’? Give two examples of disproportionation reaction in aqueous solution.
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1 Answer
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8.32 The reactions in which same substance gets oxidized as well as reduced due to unstable oxidation state.
Example:
2MnO42- + 4H+? 2MnO4- + MnO2 + 2H2O
Mn (VI) is oxidised to Mn (VII) and also reduced to Mn (IV).
2CrO4 3- +2H+? CrO4 2- +Cr3+ + 4H2O
Cr (V) is oxidised to Cr (VI) and also reduced to Cr (III).
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