Nitric acid attacks all the metals except noble metals but the nature – InterviewSolution

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1.	Nitric acid attacks all the metals except noble metals but the nature of products of same metal along with corresponding nitrates depends upon the concentration of HNO_3. Explain.
Answer» Solution : In conc. `HNO_3`, more number of `NO_3`ions are present per unit volume, these `NO_3` ions ACTS asoxidizinga gent. It GETS reduced to `NO_2` duet to , more production of OXYGEN. In casoefdilute `HNO_3` less number of `NO_3^+ ` Ions are present. So It gets reduced to mtrlc oxide

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