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Byju's Answer
Standard XII
Chemistry
Sulphur Dioxide
Which of the ...
Question

Which of the following metals give H2 with very dilute HNO3?

A
Al
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B
Mg
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C
Au
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D
Sn
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Solution

The correct option is B Mg
Mg gets oxidized by the hydrogen ions.Mg2+ has a reduction potential of -2.37V, which is less than H+1 s reduction potential of 0V.Hence, H2 gas is produced spontaneously.

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