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  1. Oct 2, 2011 #1
    1. The problem statement, all variables and given/known data

    For each reaction, give balanced chemical equations or NR (no reaction) and rationalize your answers in terms of trends in oxidation states. Calculate net potential for the reactions:

    a) Fe2+(aq) + Co3+ (aq) (acidic conditions) →

    b) CrO42−(aq) + MoO2(s) + H+ (acidic conditions) →

    2. Relevant equations

    3. The attempt at a solution

    a) no reaction

    b) 2CrO42−(aq) + MoO2(s) + 4H+ → Cr2O72- + 2H2O + Mo4+

    Is this correct?
  2. jcsd
  3. Oct 4, 2011 #2


    User Avatar

    Staff: Mentor

    In the first case you are asked whether Co3+ is an oxidizer strong enough to oxidize Fe2+. Second question is similar.
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