The correct order of boiling point of H_2,HD, | vedclass

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(A) The boiling point of substances depends on the magnitude of intermolecular forces,which are primarily van der Waals forces in these non-polar mole

Vedclass · Accepted Answer

$H_2 < HD < D_2 < T_2$

Vedclass · Answer

(A) The boiling point of substances depends on the magnitude of intermolecular forces,which are primarily van der Waals forces in these non-polar molecules.These forces increase with an increase in the molecular mass of the species.The molecular masses are:$H_2 = 2 \ g/mol$$HD = 3 \ g/mol$$D_2 = 4 \ g/mol$$T_2 = 6 \ g/mol$Since the molecular mass increases in the order $H_2 Therefore,the correct order is $H_2 < HD < D_2 < T_2$.

The correct order of boiling point of $H_2$,$HD$,$D_2$ and $T_2$ would be

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