The number of species from the following which are paramagne

Question

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

DivineJEE · Accepted Answer

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

Sol.	Magnetic behaviour	Bond order
$\mathrm{H}_2$	Diamagnetic	$1$
$\mathrm{He_2^+}$	Paramagnetic	$0.5$
$\mathrm{O_2^+}$	Paramagnetic	$2.5$
$\mathrm{N_2^{2-}}$	Paramagnetic	$2$
$\mathrm{O_2^{2-}}$	Diamagnetic	$1$
$\mathrm{F_2}$	Diamagnetic	$1$
$\mathrm{Ne_2^+}$	Paramagnetic	$0.5$
$\mathrm{B_2}$	Paramagnetic	$1$

Explanation

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