Question

why ortho hydrogen is more stable than para hydrogen

Answer 1

Explanation:

Ortho-hydrogen molecules are those in which the spins of both the nuclei are in the same direction. Para-hydrogen is when the spins of both the nuclei are in the opposite directions. ... The amount of ortho- and para-hydrogen varies with temperature. At 0°K, hydrogen contains mainly para-hydrogen which is more stable.

Answer 2

Explanation:

ortho hydrogen stable above room temp than para hydrogen whereas para hydrogen is more stable than ortho hydrogen ... at lower temp .. hope it helps