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States of Matter — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryStates of Matter2 Marks
Question
HCl is gas while HM' is liquid at room temperature, why?
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Answer

HF molecules are associated with intermolecular H-bonding, therefore, it is liquid, whereas HCl is gas because of less van der Waals' forces of attraction and are not associated with intermolecular H - bonding.

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