MCQ
The half-cell reaction is the one that:
- ATakes place at one electrode.
- BConsumes half a unit of electricity.
- CInvolves half a mole of electrolyte.
- DGoes half way to completion.
Explanation:
A half reaction is either the oxidation or reduction reaction component of a redox reaction. A half reaction is obtained by considering the change in oxidation states of individual substances involved in the redox reaction.Half-reactions are often used as a method of balancing redox reactions.
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$C{H_3} - \mathop {\mathop {N\, - \,}\limits_{|\,\,\,\,\,\,} }\limits_{C{H_3}} \mathop {\mathop {C\,\,\, - }\limits_{|\,\,\,\,\,\,\,}^{|\,\,\,\,\,\,\,} }\limits_{{C_2}{H_5}}^{C{H_3}} C{H_2} - C{H_3}$