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Solution


Q.

Assertion: Most of the metals do not give hydrogen while reacting with nitric acid.

Reason: Nitric acid is a weak oxidising agent.
1 Both assertion and reason are correct and reason is the correct explanation of assertion.  
2 Both assertion and reason are correct but reason is not the correct explanation of assertion.  
3 Assertion is true, but reason is false.  
4 Assertion is false, but reason is true  

Ans.

(3)

Hydrogen gas is not evolved when a metal reacts with nitric acid. It is because HNO? is a strong oxidising agent. It oxidises the H? produced to water and itself gets reduced to any of the nitrogen oxides (N2O, NO, NO2).