JEE Main 2022 · 30 Jul · Shift 2 · Chemistry Q52

ChemistryInteger+4 / -1Question 52 of 90

On the basis of MO. theory, the number of molecules from the following which have bond order two, is _______.

O $_2$ , O $_2^+$ , N $_2^{2-}$ , C $_2$ , B $_2$

Your answer

Answer and worked solution

Official answer: 3

Bond orders. O₂ 2, O₂⁺ 2.5, N₂²⁻ 2 (isoelectronic with O₂), C₂ 2, B₂ 1. Three.

Answer: 3

JEE Main 2022 · 30 Jul · Shift 2, Chemistry question 52