Which of the reactants act as oxidant or reductant if any:
Ca+Cl2→CaCl2
A
Cl2
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B
Ca
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C
Both of these
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D
None of these
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Solution
The correct option is C Both of these The oxidation number of Ca increases from 0 to +2. Thus, Ca is oxidized and acts as reductant. The oxidation number of Cl2 decreases from 0 to -1. Thus, Cl2 is reduced and acts as oxidizing agent.