JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Ordinary hydrogen is a mixture at:

(A)75% ortho H + 25% para HCorrect
(B)25% ortho H + 75% para H
(C)50% ortho H + 50% para H
(D)99% para H + 1% ortho H

Answer: (A)

Solution

At ordinary (room) temperature, the equilibrium mixture of hydrogen is approximately 75% ortho-hydrogen and 25% para-hydrogen, a composition set by the relative statistical

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Question ID VK-137385