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Discussion :: GATE Metallurgical

  1. For the following electrochemical reaction Sn + 2H+ = Sn2+ + H2, if the solution has Sn2+ concentration 10-2 M and pH 5 at 298 K, which of the following is true? Given: standard reduction potential for Sn2+ + 2e- --> Sn is -0.136 V versus SHE; pH2 = 1 atm
    2. A.
    Sn undergoes oxidation
    B.
    H+ undergoes reduction
    C.
    Sn2+ undergoes reduction
    D.
    No net reaction

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    Answer : Option C

    Explanation :

    -NA-

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