JEE Main 2022 · 27 Jul · Shift 1 · Chemistry Q85

ChemistryInteger+4 / -1Question 85 of 90

According to MO theory, number of species/ions from the following having identical bond order is ______.

$\mathrm{CN^-}$ , $\mathrm{NO^+}$ , $\mathrm{O_2}$ , $\mathrm{O_2^+}$ , $\mathrm{O_2^{2+}}$

Your answer

Answer and worked solution

Official answer: 3

Bond orders. $\mathrm{CN^-}$ 3, $\mathrm{NO^+}$ 3, $\mathrm{O_2^{2+}}$ 3, $\mathrm{O_2^+}$ 2.5, $\mathrm{O_2}$ 2.

Three species share bond order 3.

Answer: 3

JEE Main 2022 · 27 Jul · Shift 1, Chemistry question 85