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प्रश्न
Which element among the following is used as reducing agent for reduction of remaining three elements from their oxides?
पर्याय
Mg
Zn
Al
Hg
MCQ
उत्तर
Mg
Explanation:
`"E"_"Mg"^0` = - 2.37, `"E"_"Zn"^0` = - 0.763
`"E"_"Al"^0` = - 1.66, `"E"_"Hg"^0` = + 0.79
∵ `"E"_"Mg"^0` is very small it undergo oxidation, it means it acts as a reducing agent.
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