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JEE Main 20199 AprilMorning Shift

Exam: JEE Main
Year: 2019
Date: 9 April
Shift: Morning Shift
Subject: Chemistry
Chapter: p Block Elements (Group 15, 16, 17 & 18)

JEE Main 2019 · 9 April · Morning Shift · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The correct order of the oxidation states of nitrogen in NO, N _ 2...

The correct order of the oxidation states of nitrogen in

NO, {N}_{2}O, N{O}_{2}

and

{N}_{2}{O}_{3}

is

Options

A ${N}_{2}O < NO < {N}_{2}{O}_{3} < N{O}_{2}$
B $N{O}_{2} < {N}_{2}{O}_{3} < NO < {N}_{2}O$
C $N{O}_{2} < NO < {N}_{2}{O}_{3} < {N}_{2}O$
D ${N}_{2}O < {N}_{2}{O}_{3} < NO < N{O}_{2}$

Correct answer

A. ${N}_{2}O < NO < {N}_{2}{O}_{3} < N{O}_{2}$

Step-by-step solution

Oxidation states of following

{N}_{2}O ⇒ 2x + 1\left(- 2\right) = 0 ⇒ x = 1

NO ⇒ x + 1\left(- 2\right) = 0 ⇒ x = 2

{N}_{2}{O}_{3} ⇒ 2x + 3\left(- 2\right) = 0 ⇒ x = 3

N{O}_{2} ⇒ x + 2\left(- 2\right) = 0 ⇒ x = 4

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