Hydrogen is evolved by the action of cold dil. $H N O_{3}$ on :

F e

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M n

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C u

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A l

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Solution

The correct option is B $M n$
Hydrogen is evolved by the action of cold dil. $H N O_{3}$ on $M n$ .

The balanced chemical equation is $M n + 2 H N O_{3} \to H_{2} + M n (N O_{3})_{2}$ .
Option B is correct

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Similar questions

Hydrogen is evolved by the action of cold dil. $H N O_{3}$ on

Which of the following metals evolves hydrogen on reacting with cold dilute $H N O_{3}$ ?

H_{2} S O_{4}

H N O_{3}

2

A l

H_{2} S O_{4}

N a O H

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