Q26 / 90 · JEE Main 2016 (03 Apr) · Chemistry

The reaction of zinc with dilute and concentrated nitric acid, respectively, produces:

A
$N O a n d N_{2} O$
B
$N O_{2} a n d N_{2} O$
Correct answer
C
$N_{2} O a n d N O_{2}$
D
$N O_{2} a n d N O$

Solution

Zn

on reaction with

H N O_{3}

4 Z n + 10 H N O_{3} \to 4 Z n {(N O_{3})}_{2} + N_{2} O + 5 H_{2} O

(Dil.)

Z n + 4 H N O_{3} \to Z n {(N O_{3})}_{2} + 2 N O_{2} + 2 H_{2} O

(Conc.)

Hence, the correct answer is option: 'C'.

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