Lawrie Ryan and Roger Norris Solutions for Chapter: Redox Reactions, Exercise 3: Question

In the given question, state which reactant has been oxidised:

$\mathrm{PbO}+{\mathrm{H}}_2\stackrel{ }{\to }\mathrm{Pb}+{\mathrm{H}}_2\mathrm{O}$

In the given question, state which reactant has been oxidised:

$\mathrm{CO}+{\mathrm{Ag}}_2\mathrm{O}\stackrel{ }{\to }2\mathrm{Ag}+{\mathrm{CO}}_2$

In the given question, state which reactant has been oxidised:

$2\mathrm{Mg}+{\mathrm{CO}}_2\stackrel{ }{\to }2\mathrm{MgO}+\mathrm{C}$

In the given question, state which reactant has been reduced:

$5\mathrm{CO}+{\mathrm{I}}_2{\mathrm{O}}_2\stackrel{ }{\to }5{\mathrm{CO}}_2+{\mathrm{I}}_2$

In the given question, state which reactant has been reduced:

$2{\mathrm{H}}_2\mathrm{S}+{\mathrm{SO}}_2\stackrel{ }{\to }3\mathrm{S}+2{\mathrm{H}}_2\mathrm{O}$

In the given question, state which reactant has been reduced:

${\mathrm{CH}}_2={\mathrm{CH}}_2+{\mathrm{H}}_2\stackrel{ }{\to }{\mathrm{CH}}_3-{\mathrm{CH}}_3$