12th Class Chemistry Electrochemistry / विद्युत् रसायन

  • question_answer 89)
      Assertion (A) Cu is less reactive than hydrogen. Reason (R)     is negative.

    Answer:

                      (c) Assertion is true but the reason is false. Electrode potential of is  and Electrode potential of Hence, correct reason is due to positive value of Cu2+ /Cu it looses electron to H+ and get reduces, while H2 gas evolves out.                       


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