The boiling points of $\mathrm{C_{6}H_{6}}$, $\mathrm{CH_{3}OH}$, $\mathrm{C_{6}H_{5}NH_{2}}$ and $\mathrm{C_{6}H_{5}NO_{2}}$ are $80^{\circ}\mathrm{C}$, $65^{\circ}\mathrm{C}$, $184^{\circ}\mathrm{C}$ and $212^{\circ}\mathrm{C}$ respectively. Which of the following will have highest vapour pressure at room temperature?
- A$\mathrm{C_{6}H_{6}}$
- B$\mathrm{CH_{3}OH}$
- C$\mathrm{C_{6}H_{5}NH_{2}}$
- D$\mathrm{C_{6}H_{5}NO_{2}}$
✓ Correct answer: B
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