JEE CHEMISTRY MCQ: HYDROGEN

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At absolute zero:

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Correct option: A

Only para hydrogen exists

Option A (Only para hydrogen exists) is correct because at absolute zero, the lowest energy state is favored, and para-hydrogen has a lower energy state than ortho-hydrogen.

More Questions from HYDROGEN

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Hydrogen is prepared on large scale for industrial use 10 volumes of

{H_2}{O_2}

has a strength of The pH of a solution of

{\mathrm{H}_2}{\mathrm{O}_2}

is 6.0. Some chloride gas is bubbled into this solution. Which of the following is correct? An aqueous solution of hydrogen peroxide is The pair that yields the same gaseous product on reaction with water: S-I: The unsaturated fat (oils) are changed to saturated fat by

{H}_2

in presence of finely divided

{Ni}

.

S-II:

{H}_2

Shows addition around doubly bonded carbon atoms.