Q. The $ortho\$and $para\$hydrogen differ in respect of which of the following?
A) In the molecular weight
B) In the nature of spin of protons
C) In the nature of spin of electrons
D) In the number of protons
Explanation
(b)
The Ortho and Para hydrogen differ in the nature of spin of protons. In Ortho hydrogen, the spin of proton are in the same direction, while in para hydrogen the spin of proton are in opposite direction.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.