Question

The metal which gives hydrogen with cold dil. ${HNO_3}$ is

• A. ${ Mn}$
• B. ${Fe}$
• C. ${Zn}$
• D. ${Al}$

Answer 1

Answer: (A)

${ Mn}$

Answer 2

Magnesium and manganese are the only metals which produce hydrogen with very dilute (1-2%) nitric acid.