Write a balanced equation for each of the following observations:

$H N O_{3}$ turns brown when exposed to air.

2 H N O_{3} ⟶ H_{2} O + 2 N O + 3 (O), 2 N O + O_{2} ⟶ 2 N O_{2}

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2 H N O_{3} ⟶ H_{2} O + 2 N O + 2 (O), 2 N O + O_{2} ⟶ 2 N O_{2}

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2 H N O_{3} ⟶ H_{2} O + N O + 3 (O), N O + O_{2} ⟶ 2 N O_{2}

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2 H N O_{3} ⟶ H O + 2 N O_{2} + 3 (O), 2 N O_{2} + O_{2} ⟶ 2 N O_{2}

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Solution

The correct option is A $2 H N O_{3} ⟶ H_{2} O + 2 N O + 3 (O), 2 N O + O_{2} ⟶ 2 N O_{2}$
When $H N O_{3}$ exposed to air, the reaction that occurs is given below
$2 H N O_{3} ⟶ H_{2} O + 2 N O + 3 (O)$
and $2 N O + O_{2} ⟶ 2 N O_{2}$

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Similar questions

K

K_{1}

K_{2}

N_{2} + 2 O_{2} ⇋ 2 N O_{2}, K

N_{2} + O_{2} ⇋ 2 N O, K_{1}

2 N O + O_{2} ⇋ 2 N O_{2}, K_{2}

2 N O + O_{2} \to 2 N O_{2}

2 N O_{2} \to 2 N O + O_{2}

Type 1	Type 2
I. $S O_{2} C l_{2} \to S O_{2} + C l_{2}$	a. pseudo unimolecular reaction
II. $2 N O_{2} \to 2 N_{2} + O_{2}$	b. first order reaction
III. $2 N O + O_{2} \to 2 N O_{2}$	c. second order reaction
IV. $C H_{3} C O O C_{2} H_{5} + H_{2} O + H^{+} \to C H_{3} C O O H + C_{2} H_{5} O H$	d. third order reaction

O_{2}

from N O_{2} {2 N O_{2} \to 2 N O + O_{2}}

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