Two liquids `X` and `Y` boil at `110^(@)C` and `130^(@)C`, respectively. Which one of them has higher vapour pressure at `50^(@)C`?

Two liquids A and B boil at 130^(@)C and 160^(@)C , respectively. Which of the them has higher vapour pressure at 80^(@)C .

Two liquids A and B boil 145^(@)C and 190^(@)C respectivly. Which of them has a higher vapour pressre at 80^(@)C ?

Which one of the following has the lowest vapour pressure at 20^(@) C ?

Two solids A and B melt at 120^@C and 150^@C respectively . Which one of them has more intermolecular forces of attraction?

The boiling points of C_(6)H_(6),CH_(3)OH,C_(6)H_(5)NH_(2) and C_(6)H_(5)NO_(2) are 80^@C,65^@C,184^@C, and 212^@C respectively. Which of the following will have highest vapour pressure at room temperature ?