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The measured emf of the cell ${pt}_{(s)} | H_{2 (g, 1 bar)} | H_{(aq, 1 M)}^{+} | | {Zn}_{(aq, 1 M)}^{+ 2} | Zn$ is $- 0.76 V$ . Which of the following inference can be made correctly?

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Hydrogen ions can reduce zinc ions.

Hydrogen(H₂) can oxidize Zinc

Zinc can oxidize hydrogen ions.

Hydrogen ions can oxidize zinc.

answer is D.

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Detailed Solution

Cell reaction is

$Zn + 2 H^{+} \to {Zn}^{+ 2} + H_{2}$

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