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Oxidising Reagent and Reducing Reagent

When zinc is ...

Question

When zinc is treated with conc. $H N O_{3}$ , an oxide of nitrogen is formed. The change in oxidation state of nitrogen during this reaction is:

A

+ 5 t o 0

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B

+ 5 t o + 2

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C

+ 5 t o + 4

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D

+ 5 t o + 1

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Solution

The correct option is C $+ 5 t o + 4$
$Z n + 4 H N O_{3} (c o n c .) \to Z n (N O_{3})_{2} + 2 H_{2} O + 2 N O_{2}$

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Oxidising Reagent and Reducing Reagent

Standard XII Chemistry

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