JEE MAIN - Chemistry (2022 - 27th July Morning Shift - No. 18)
According to MO theory, number of species/ions from the following having identical bond order is ________.
$$\mathrm{CN}^{-}, \mathrm{NO}^{+}, \mathrm{O}_{2}, \mathrm{O}_{2}^{+}, \mathrm{O}_{2}^{2+}$$
Answer
3
Explanation
$\mathrm{CN}^{-}, \mathrm{NO}^{+}$and $\mathrm{O}_{2}^{2+}$ have bond order of 3
$\mathrm{O}_{2}$ has bond order of 2
$\mathrm{O}_{2}^{+}$ has bond order of $2.5$
$\therefore 3$ species have similar bond order.
$\mathrm{O}_{2}$ has bond order of 2
$\mathrm{O}_{2}^{+}$ has bond order of $2.5$
$\therefore 3$ species have similar bond order.
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