Q.

Intermolecular hydrogen bonding increases the enthalpy of a liquid due to the :

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a

decrease In the attraction between molecules

b

increase in the effective molar mass of hydrogen-bonded molecules

c

increase in the attraction between molecules

d

decrease in the molar mass of unassociated liquid molecules

answer is B.

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Detailed Solution

AB attractive forces , enthalpy of a liquid .

Thus, Intermolecular hydrogen bonding increases the enthalpy of a liquid due to the increase in the attraction between molecules.

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