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Question 25020
NEET Chemistry · Medium

Redox Reactions: Reaction spotting MCQ

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Reaction spottingMediumQuestion 25020

Question

Which process is a reduction?

  1. A
    Cu2+→CuCu^{2+} \to Cu
    Correct
  2. B
    Fe2+→Fe3+Fe^{2+} \to Fe^{3+}
  3. C
    H2→2H+H_2 \to 2H^+
  4. D
    2I−→I22I^- \to I_2

Correct answer

Cu2+→CuCu^{2+} \to Cu

Explanation

Oxidation state decreases from +2 to 0.

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