The boiling point of \( \mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{OH}, \mathrm{C}_{...

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The boiling point of \( \mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{OH}, \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2} \) and \( \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NO}_{2} \) are \( 80^{\circ} \mathrm{C}, 65^{\circ} \mathrm{C}, 184^{\circ} \mathrm{C} \) and \( 212^{\circ} \mathrm{C} \) respectively. Which will show highest vapour pressure at room temperature :
(a) \( \mathrm{C}_{6} \mathrm{H}_{6} \)
(b) \( \mathrm{CH}_{3} \mathrm{OH} \)
(c) \( \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2} \)
(d) \( \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NO}_{2} \)
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