a runner cruises along at 9 miles per hour. How many days will it take him to run around the world, assuming no stops? (40,076 k
1 answer:
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<u>Answer:</u>
<u>For (i):</u> Magnesium is getting oxidized and zinc is getting reduced.
<u>For (ii):</u> The half reactions are given below.
<u>For (iii):</u> Magnesium will act as anode and zinc act as cathode.
<u>Explanation:</u>
- <u>For (i):</u>
The substance having highest positive potential will always get reduced and will undergo reduction reaction. Here, zinc will always undergo reduction reaction will get reduced.
Magnesium will undergo oxidation reaction and will get oxidized.
- <u>For (ii):</u>
Oxidation reaction is defined as the reaction in which an atom looses its electrons. The oxidation number of the atom gets increased during this reaction.
Reduction reaction is defined as the reaction in which an atom gains electrons. The oxidation number of the atom gets reduced during this reaction.
Oxidation half reaction:
Reduction half reaction:
- <u>For (iii):</u>
Oxidation reaction always occurs on anode side and thus, magnesium is acting as anode.
Reduction reaction always occurs on cathode side and thus, zinc is acting as cathode.