Q. Which one of the following molecules contains no π bond?
A) CO₂
B) H₂O
C) SO₂
D) NO₂
Explanation
[Solution from source] H₂O has only two O–H σ bonds. CO₂ (O=C=O), SO₂ and NO₂ all contain double-bond character and so π bonds. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.