Question

Which metals react with every dilute nitric acid? Write the equations​

Answer 1

Answer:

Magnesium (Mg) and manganese (Mn) are the only metals that react with very dilute nitric acid ( 1% nitric acid) to liberate hydrogen gas.

Answer 2

Answer:

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Explanation:

Magnesium (

M

g

) and manganese (

M

n

)

3Cu+8HNO

3

(dil.)→3Cu(NO

3

)

2

+4H

2

O+2NOare the only metals that react with very dilute nitric acid ( 1% nitric acid) to liberate hydrogen gas. With other metals, nitric acid is not used even in its dilute form because it is a strong oxidizing agent and oxygen formed due to decomposition oxidizes the hydrogen to give water, thus defeating the purpose of the reaction.