Which of the following reactions are disproportionation reaction? (a) 2 {Cu}^{+} \to{Cu}^{2+}+ {Cu}^{0} (b) 3 {MnO}_{4}^{2-}+4 {H}^{+} \to 2 {MnO}_{4}^{-}+ {MnO}_{2}+2 {H}_{2} {O} (c) 2 {KMnO}_{4} {\to^{\\Delta}} {K}_{2} {MnO}_{4}+ {MnO}_{2}+ {O}_{2} (d) 2 {MnO}_{4}^{-}+3 {Mn}^{2+}+2 {H}_{2} {O} \to 5 {MnO}_{2}+4 {H}^{⊕} Select the correct option from the following [NEET 2019]

Correct Answer is : (a) and (b) only

NEET 2019 Physics and Chemistry

Question : 8 of 90

Marks: +1, -0

Which of the following reactions are disproportionation reaction?
(a) 2Cu+→Cu2++Cu0
(b) 3MnO42−+4H+ →2MnO4−+MnO2+2H2O
(c) 2KMnO4

→

K2MnO4+MnO2+O2
(d) 2MnO4−+3Mn2++2H2O→5MnO2+4H⊕
Select the correct option from the following

[NEET 2019]

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