Verified Solution • 2025–26 Session moderate

QJEEM24Ch3bcc: JEE Main 2024 Chemistry - Class 11 JEEM24Ch3bcc Solution: The number of species from the following which are paramagnetic …

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

$H_{2}, {He}_{2}^{+}, O_{2}^{+}, N_{2}^{2 -}, O_{2}^{2 -}, F_{2}, {Ne}_{2}^{+}, B_{2}$

Step-by-Step Verified Solution

Sol.	Magnetic behaviour	Bond order
$H_{2}$	Diamagnetic	$1$
${He}_{2}^{+}$	Paramagnetic	$0.5$
$O_{2}^{+}$	Paramagnetic	$2.5$
$N_{2}^{2 -}$	Paramagnetic	$2$
$O_{2}^{2 -}$	Diamagnetic	$1$
$F_{2}$	Diamagnetic	$1$
${Ne}_{2}^{+}$	Paramagnetic	$0.5$
$B_{2}$	Paramagnetic	$1$

Related Learning Resources & Exam Preparation

JEE Main PYQ Question Bank

Browse year-wise authentic previous years' questions with solutions

Authentic CBT Mock Tests

Simulate official exam environment with live timer and percentile scoring