49. Write the oxidation and reduction half-reactions for the following electron

Question

49. Write the oxidation and reduction half-reactions for the following electron transfer reaction below 50. Write the oxidation and reduction half-reactions for the following electron transfer reaction below. 51. The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction. MnO2 + so, Mn2+ + SO:- 52. The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced OXIDATION half reaction. cr" + cr-, cr + cio 53. The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the balanced REDUCTION half reaction. 54. The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. Nah, + H2PO2 NH3 + HP01- 55. The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced OXIDATION half reaction. 56. The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced REDUCTION half reaction. 57. Balance the following unbalanced half reaction under acidic conditions. Mn2+ + H2O MnO2 + H+ 58. Balance the following unbalanced half reaction under acidic conditions PbO2 + H+ Pb2+ + H20 S9. Balance the following unbalanced half reaction under acidic conditions. 60. Balance the following unbalanced half reaction under basic conditions.

Explanation / Answer

(49)

Oxidation half reaction:

Mn(s) ---> Mn2+(aq)

Reduction half reaction:

Br2(l) ---> 2Br-(aq)

(49)

Oxidation half reaction:

Cd(s) ---> Cd2+(aq)

Reduction half reaction:

Hg2+(aq) ---> Hg(s)

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