Which of the following reaction is not true for Nitric acid ( $H N O_{3}$ )?

Reaction of zinc with concentrated nitric acid is given below.

\(Zn + 4HNO_3 \rightarrow Zn(NO_3)_2 + 2H_2O + 2NO_2

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Nitric acid dissociates to produce reddish-brown nitrogen dioxide gas.

$H N O_{3} \to 2 H_{2} O + 4 N O_{2} + O_{2}$

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The reaction of magnesium with concentrated nitric acid

$M g + 2 H N O_{3} \to M g (N O_{3})_{2} + H_{2}$

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Reaction of copper with dilute nitric acid is given below.

\(3Cu + 8HNO_3 \rightarrow 3Cu(NO_3)_2 + 4H_2O + NO

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Solution

The correct option is C
The reaction of magnesium with concentrated nitric acid

$M g + 2 H N O_{3} \to M g (N O_{3})_{2} + H_{2}$

Nitric acid dissociates to produce reddish-brown nitrogen dioxide gas.
$H N O_{3} \to 2 H_{2} O + 4 N O_{2} + O_{2}$

Reaction of zinc with concentrated nitric acid is given below.
$Z n + 4 H N O_{3} \to Z n (N O_{3})_{2} + 2 H_{2} O + 2 N O_{2}$

Reaction of copper with dilute nitric acid is given below. NO compound is called nitric oxide.
$3 C u + 8 H N O_{3} \to 3 C u (N O_{3})_{2} + 4 H_{2} O + 2 N O_{2}$

Reaction of magnesium with very dilute nitric acid is given below.
$M g + 2 H N O_{3} \to M g (N O_{3})_{2} + H_{2}$

So the reaction with the wrong answer is
Reaction of magnesium with concentrated nitric acid
$M g + 2 H N O_{3} \to M g (N O_{3})_{2} + H_{2}$

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Similar questions

Q. Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, Nitrogen dioxide, Nitric oxide, Sulphuric acid)
(i) Cold, dilute nitric acid reacts with copper to give ____________.
(ii) Hot, concentrated nitric acid reacts with copper to form ____________.

Q. Zinc on reaction with concentrated nitric acid produces ____ gas.

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

Q. Write the equations to show the reactions between the following:
(i) dilute nitric acid to produce carbon dioxide.
(ii) between cooper and concentrated nitric acid.

(a) Dilute nitric acid is generally considered a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?

(b) Write the equation for the reaction of dilute nitric acid and conc. nitric acid with copper.

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Which of the following reaction is not true for Nitric acid (HNO3)?

Which of the following reaction is not true for Nitric acid ( $H N O_{3}$ )?