Question

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

Answer 1

Answer: (B)

In the nature of spin of protons

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.