Chemistry · Chemical Bonding

JEE Main 2024 — 29 January, Shift 1 — Question 79

The number of species from the following which are paramagnetic and with bond order equal to one is $\qquad$ .

\mathrm{H}_{2}, \mathrm{He}_{2}^{+}, \mathrm{O}_{2}^{+}, \mathrm{N}_{2}^{2-}, \mathrm{O}_{2}^{2-}, \mathrm{F}_{2}, \mathrm{Ne}_{2}^{+}, \mathrm{B}_{2}

Answer: 1

Numerical answer — enter this value.

Step-by-step solution

Magnetic behaviour	Bond order
${{\text{H}}_{2}}$	Diamagnetic	1
$\text{He}_{2}^{+}$	Paramagnetic	0.5
$\text{O}_{2}^{+}$	Paramagnetic	2.5
$\text{ }\!\!~\!\!\text{ N}_{2}^{2-}$	Paramagnetic	2
$\text{O}_{2}^{2-}$	Diamagnetic	1
$\text{ }\!\!~\!\!\text{ }{{\text{F}}_{2}}$	Diamagnetic	1
$\text{Ne}_{2}^{+}$	Paramagnetic	0.5
$\text{ }\!\!~\!\!\text{ }{{\text{B}}_{2}}$	Paramagnetic	1

Answer key and solution verified before publishing.

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Exam: JEE Main 2024
Paper: 29 January, Shift 1
Subject: Chemistry
Chapter: Chemical Bonding
Topic: Molecular Orbital Theory

The number of species from the following which are paramagnetic and… | JEE Main 2024 PYQ with Solution · DhiX AI