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Redox Reactions

Question
CBSEENCH11006715

Identify the oxidising agent, reducing agent and the substance undergoing oxidation and reduction in the following reactions:

bold left parenthesis bold a bold right parenthesis bold space bold space bold space bold 2 bold H subscript bold 2 bold S bold space bold plus bold space bold SO subscript bold 2 bold space bold space bold rightwards arrow bold space bold space bold space bold 3 bold S bold plus bold space bold 2 bold H subscript bold 2 bold O
bold left parenthesis bold b bold right parenthesis bold space bold 3 bold MnO subscript bold 2 bold space bold plus bold space bold 4 bold Al bold space bold rightwards arrow bold space bold space bold space bold 3 bold Mn bold space bold plus bold space bold 2 bold Al subscript bold 2 bold O subscript bold 3
bold left parenthesis bold c bold right parenthesis bold space bold 2 bold MnO subscript bold 4 superscript bold minus bold space bold plus bold space bold 10 bold Cl to the power of bold minus bold space bold plus bold 16 bold H to the power of bold plus bold space bold space bold rightwards arrow bold space bold space bold space bold space bold 2 bold Mn to the power of bold 2 bold plus end exponent bold space bold plus bold space bold 5 bold Cl subscript bold 2 bold space bold plus bold space bold 8 bold H subscript bold 2 bold O

Solution