MCQ
Ortho and para hydrogen differ in:
  • A
    Atomic number
  • B
    Mass number
  • C
    Electron spin in two atoms
  • Nuclear spin of two atoms

Answer

Correct option: D.
Nuclear spin of two atoms
Ortho hydrogen molecules are those in which the spins of both the nuclei are in the same direction. Molecules of hydrogen in which the spins of both the nuclei are in the opposite direction are called para hydrogen.
Ortho and para hydrogen differ in nuclear spin of two atoms.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free