Question

Ortho and para hydrogen differ

• A. In the number of protons
• B. In the molecular weight
• C. In the nature of spins of protons
• D. In the nature of spins of electrons

Answer 1

Answer: (C)

The ortho and para hydrogen differ in the nature of the spin of protons. In ortho hydrogen, the spin of the proton are in the same direction, while in para-hydrogen the spin of the proton are in opposite direction in hydrogen molecules.