Question

In: Chemistry

Balance the following oxidation–reduction equation. The reactions occur in a basic aqueous solution. Cd2++ H  2S →  Cd...

Balance the following oxidation–reduction equation. The reactions occur in a basic aqueous solution.

Cd2++ H  2S →  Cd + S  8

S2- + F2 → SO42- + F-

Cr + NO3-Cr(OH)4- + NH3

MnO4- + C2O42-MnO2 + CO2

Solutions

Expert Solution

Solution :-

The redox reactions are balanced in the basic solution by adding the OH- ions at the final steps of the balancing.

Following image shows the balancing steps and final balanced equation for the each reaction


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