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4.Chemical Bonding and Molecular Structure
hard
નીચે આપેલમાંથી સ્પીસીઝોની સંખ્યા કે જે અનુચુંબકીય છે અને જેનો બંધક્રમાંક એકને સમાન (બરાબર) છે તે_______
$\mathrm{H}_2, \mathrm{He}_2^{+}, \mathrm{O}_2^{+}, \mathrm{N}_2^{2-}, \mathrm{O}_2^{2-}, \mathrm{F}_2, \mathrm{Ne}_2^{+}, \mathrm{B}_2$
A
$3$
B
$7$
C
$6$
D
$1$
(JEE MAIN-2024)
Solution
| $Magnetic \ behaviour$ | $Bond order$ | |
| $\mathrm{H}_2$ | Diamagnetic | $1$ |
| $ \mathrm{He}$ | 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 | $1$ |
Standard 11
Chemistry
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