Multiple choice

Which of the following molecules/ ions possesses maximum bond order with diamagnetic nature?

  1. H2

  2. H2+

  3. H2-

  4. He2+

  5. He2-

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

H2 = 2 electrons: s1s2 Bond order = ½ (Number of bonding MOs - Number of antibonding MOs) = ½ (2-0) = 1 Diamagnetic due to nil unpaired electrons.