1.

X is a non- volatile solute and Y is a volatile solvent. The following vapour pressures are observed by dissolving X in Y {:("X/mol lit"^(-1),"Y/mm of Hg"),(0.10,P_1),(0.25,P_2),(0.01,P_3):} The correct order of vapour pressure is

Answer»

`P_1 LT P_2 lt P_3`
`P_3 lt P_2 lt P_1`
`P_3 lt P_1 lt P_2`
`P_2 lt P_1 lt P_3`

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