JEE Main 2019 · 12 Apr · Shift I

JEE Main 2019 Chemistry question on Redox and Electrochemistry

An example of a disproportionation reaction is
  1. A.
    2MnO4−+10I−+16H+⟶2Mn2++5I2+8H2O2\text{MnO}_4^- + 10\text{I}^- + 16\text{H}^+ \longrightarrow 2\text{Mn}^{2+} + 5\text{I}_2 + 8\text{H}_2\text{O}
  2. B.
    2NaBr+Cl2⟶2NaCl+Br22\text{NaBr} + \text{Cl}_2 \longrightarrow 2\text{NaCl} + \text{Br}_2
  3. C.
    2KMnO4⟶K2MnO4+MnO2+O22\text{KMnO}_4 \longrightarrow \text{K}_2\text{MnO}_4 + \text{MnO}_2 + \text{O}_2
  4. D.
    2CuBr⟶CuBr2+Cu2\text{CuBr} \longrightarrow \text{CuBr}_2 + \text{Cu}
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Correct option: D

[JEE Main 2019 · 12 Apr · Shift I]

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