Question

The ground state electronic configuration of $CO$ molecule is

• A. $1{\sigma }^{2}2{\sigma }^{2}1{\pi }^{4}3{\sigma }^2$
• B. $1{\sigma }^{2}2{\sigma }^{2}3{\sigma }^{2}1{\pi }^{2}2{\pi }^2$
• C. $1{\sigma }^{2}2{\sigma }^{2}1{\pi }^{2}3{\sigma }^{2}2{\pi }^2$
• D. $1{\sigma }^{2}1{\pi }^{4}2{\sigma }^{2}3{\sigma }^2$

Answer 1

Answer: (A)

Correct answer is (a) $1{\sigma }^{2}2{\sigma }^{2}1{\pi }^{4}3{\sigma }^2$