NEET2011ChemistryChemical Bonding and Molecular StructureActual
The pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correct description?
Options
- AO ₂⁻, O ₂²⁻ - Both diamagnetic
- BO ⁺, O ₂²⁻ - Both paramagnetic
- CO ₂⁺, O ₂ - Both paramagnetic
- DO , O ₂²⁻ - Both paramagnetic
Correct answer
C. O ₂⁺, O ₂ - Both paramagnetic
Step-by-step solution
The molecular orbital configurations of O ₂⁺, O ₂⁻, O ₂²⁻ and O ₂ are aligned & O ₂⁺= 1 s^2, 1 s^2, 2 s^2, 2 s^2, 2 p_z^2, 2 p_x^2 2 p_y^2, & 2 p_x^1 2 p_y^0 & O ₂⁻= 1 s^2, % 1 s^2, 2 s^2, 2 s^2, 2 p_z^2, 2 p_x^2 & 2 p_y^2, 2 p_x^2 2 p_y^1 & O ₂²⁻= 1 s^2, s^2, 2 s^2, 2 s^2, 2 p_z^2, 2 p_x^2 & 2 p_y^2, 2 p_x^2 2 p_y^2 . & O ₂= 1 s^2, 1 s^2, 2 s^2, ^* 2 s^2, 2 p_z^2, 2 p_x^2 & 2 p_y^2, 2 p_x^1 2 p_y^1 aligned And the electronic configuration of O and O ⁺ are array r O =1 s^2, 2 s^2, 2 p_x^2, 2 p_y^1, 2 p_z^1 O ⁺=1 s^