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  4. Which of the following reactions as disproportionation reaction ? 2Cu+arrow Cu2++Cuo 3MnO2-4 +4H+arrow 2MnO4- +MnO2+2H2O 2KMnO4 arrow K2MnO4+MnO2+O2 2MnO-4+3Mn2++2H2Oarrow 5MnO2+4H+ SeIcet the correct option from the following:

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Q. Which of the following reactions as disproportionation reaction ?
$2Cu^+\rightarrow Cu^{2+}+Cu^o$
$3MnO^{2-}_4 +4H^+\rightarrow 2MnO_4^- +MnO_2+2H_2O$
$2KMnO_4 \rightarrow K_2MnO_4+MnO_2+O_2$
$2MnO^-_4+3Mn^{2+}+2H_2O\rightarrow 5MnO_2+4H^+$
SeIcet the correct option from the following:

NEETNEET 2019Redox Reactions

Solution:

Correct answer is (c) (a) and (b) only

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