Match the reaction of metals with dilute $H N O_{3}$ (in List I) with the nitriogen compounds obtained by oxidation/reduction (in List II).

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Solution

Highly reactive metals give $H_{2}$ gas on reaction with dilute $H N O_{3}$ $M g + 2 H N O_{3} (d i l .) \to M g (N O_{3})_{2} + H_{2}$
Less active metals like $C u, H g, A g, P b$ etc. give $N O$ with $d i l H N O_{3}$
Zinc, however, gives $N_{2} O$ with dil $H N O_{3}$
Similarly, $F e$ and $S n$ react with dilute nitric acid to give $N H_{4} N O_{3}$

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