Q. 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 $80^{\circ}C$, $65^{\circ}C$, $184^{\circ}C$ and $212^{\circ}C$ respectively. Which of the following will have highest vapour pressure at room temperature?
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