Balance redox reactions using the half-reaction method Balance the redox reactio

Question

Balance redox reactions using the half-reaction method Balance the redox reaction below using the half treaction method (a) To show your method, write the balanced half reach as below. Use the imalkat ?ntegereefkint, possible and show electroes aa 10 b s is not needed leave t blank (Codet t of 1 are not seeded) Reduction half-reaction (b) To show your balanced equation, enter an integer in each of the boses. If the integer is "1"do enter it even though you would sormally not show that in the equation Use the smallest integer coefficients possible

Explanation / Answer

(a)

Oxidation half reaction:

1 Ni (s) -----------> 1 Ni2+ (aq.) + 2 e-

Reduction half reaction :

1 Tl3+ (aq.) + 3 e- -----------> 1 Tl (s)

(b) To equalise electrons in both half reactions, do OHR * 3 and RHR * 2

Balanced redox reaction :

3 Ni (s) + 2 Tl3+ (aq.) ----------> 3 Ni2+ (aq.) + 2 Tl (s)

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