(a)
Interpretation:
Oxidation and reduction has to be defined.
(a)
Explanation of Solution
Oxidation is a process in which lose of electrons takes place from a chemical species. Reduction is a process in which gain of electrons takes place in a chemical species. The species that undergoes oxidation gets oxidized and the one that undergoes reduction gets reduced.
(b)
Interpretation:
Oxidation and reduction must take place together has to be explained.
(b)
Explanation of Solution
Oxidation is a process in which lose of electrons takes place from a chemical species. Reduction is a process in which gain of electrons takes place in a chemical species. Oxidation is a half-reaction and reduction is a half-reaction. If a chemical species has to be oxidized, then another species has to be reduced. This is the reason for these two process to occur together.
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