AIPMT MAINS 2012 Chemistry Molecular Orbitals of Diatomic Molecules MCQ Question
During change of O₂ to O₂⁻ ion, the electron adds on which one of the following orbitals?
π* orbital
π orbital
σ* orbital
σ orbital
Correct Answer
Detailed Explanation
The addition of an electron to O₂ results in the formation of O₂⁻, where the electron enters the π* antibonding orbital, which is the highest energy orbital available.
Found an issue with this question?
Related Questions
More from Molecular Orbital Theory
What is the bond order of a diatomic molecule with an electronic configuration of (σ1s)²(σ*1s)²(σ2s)²(σ*2s)²(π2p_x)²(π2p_y)²(σ2p_z)²(π*2p_x)¹?
Match Column-I with Column-II. Column-I Column-II (a) Bonding Molecular Orbital (i) ψ A – ψ B (b) Antibonding Molecular Orbital (ii) N b >...
More from 2012
In which one of the following options the two examples are correctly matched with their particular type of immunity?
Which one of the following statements is correct with respect to immunity?
A certain gas takes three times as long to effuse out as helium. Its molecular mass will be: