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KVPY2015ChemistryElectrochemistry

Among Mg , Cu , Fe , Zn , the metal that does not produce hydrogen gas in reaction with hydrochloric acid is.

Options

  1. ACu
  2. BZn
  3. CMg
  4. DFe

Correct answer

A. Cu

Step-by-step solution

Metals having more standard reduction potential than H ⁺ / H ₂( ~g ) can't produce H ₂( ~g ) in acidic medium.

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