નીચે આપેલ પ્રક્રિયાઓમાંથી કઈ એક વિષમીકરણ પ્રક્રિયાનું ઉદાહ૨ણ નથી ?

Question

A$2 H _{2} O _{2} \rightarrow 2 H _{2} O + O _{2}$
B$2 NO _{2}+ H _{2} O \rightarrow HNO _{3}+ HNO _{2}$
C$MnO _{4}^{-}+4 H ^{+}+3 e ^{-} \rightarrow MnO _{2}+2 H _{2} O$
D$3 MnO _{4}{ }^{2-}+4 H ^{+} \rightarrow 2 MnO _{4}{ }^{-}+ MnO _{2}+2 H _{2} O$

JEE MAIN 2022, Medium

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Solution

c
$2 NO _{2}+ H _{2} O \rightarrow HNO _{3}+ HNO _{2} : Disproportionation$

$MnO _{4}^{-}+4 H ^{+}+3 e ^{-} \rightarrow MnO _{2}+2 H _{2} O : reduction$

$3 MnO _{4}^{+-}+4 H ^{+} \rightarrow 2 MnO _{4}^{-}+ MnO _{2}^{+4}+2 H _{2} O :Disproportionation$

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