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Question

Which of the reactants act as oxidant or reductant if any:

Ca+Cl2CaCl2

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.

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