JEE Main 202224 JuneMorning Shift

Exam: JEE Main
Year: 2022
Date: 24 June
Shift: Morning Shift
Subject: Chemistry
Chapter: p Block Elements (Group 15, 16, 17 & 18)

JEE Main 2022 · 24 June · Morning Shift · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The most stable trihalide of nitrogen is.

Options

A ${NF}_{3}$
B ${NCl}_{3}$
C ${NBr}_{3}$
D ${NI}_{3}$

Correct answer

A. ${NF}_{3}$

Step-by-step solution

The size of halogen increases from $F$ to $I$ . The $N - F$ bond is stronger than other $N - X$ bonds due to the high electronegativity of fluorine. Larger the size of the halogen, less is the stability of nitrogen halide:

The stability order is ${NF}_{3} > {NCl}_{3} > {NBr}_{3} > {NI}_{3}$ .

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