The boiling points of $C_{6} H_{6}, C H_{3} O H, C_{6} H_{5} N H_{2}$ and $C_{6} H_{5} N O_{2}$ are $80^{0} C, 65^{0} C$ and $212^{0} C$ respectively. Which of the following will have highest vapour pressure at room temperature?

C_{6} H_{6}

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C H_{3} O H

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C_{6} H_{5} N H_{2}

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C_{6} H_{5} N O_{2}

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Solution

The correct option is B $C H_{3} O H$
(B) $C H_{3} O H$
Because boiling point is the temp.
at which the vapour pressure of
liquid becomes equal to atm. pressure
methanol have lowest boiling pt.
$∴$ will show highest vapour pressure.

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Similar questions

The boiling point of C6H6 , CH3OH , C6H5NH2 and C6H5NO2 are 800C , 650C , 1840C and 2120C respectively. Which will show highest vapour pressure at room temperature?

Q. The boiling point of

C_{6} H_{6}, C H_{3} O H, C_{6} H_{5} N H_{2}

and

C_{6} H_{5} N O_{2}

are

80^{\circ}, 65^{\circ}, 184^{\circ}

and

212^{\circ}

respectively. Which will show highest vapourr pressure at room temperature?

Q. The pair of boiling point and compound are given as,

C_{6} H_{6},

C H_{3} O H

C_{6} H_{5} N O_{2}

C_{6} H_{5} N H_{2}

80^{o} C

65^{o} C

212^{o} C

184^{o} C

(I) (II) (III) (IV)

Which will show lowest vapour pressure at room temperature?

The boiling point of C₆H₆, CH₃OH, C₆H₅NH₂and C₆H₅NO₂are 80⁰C, 65⁰C, 184⁰C and 212⁰C respectively. Which among them will show highest vapour pressure at room temperature?

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The boiling points of C6H6,CH3OH,C6H5NH2 and C6H5NO2 are 800C, 650C and 2120C respectively. Which of the following will have highest vapour pressure at room temperature?

The correct option is B CH3OH(B) CH3OHBecause boiling point is the temp.at which the vapour pressure ofliquid becomes equal to atm. pressuremethanol have lowest boiling pt.∴ will show highest vapour pressure.

The boiling points of $C_{6} H_{6}, C H_{3} O H, C_{6} H_{5} N H_{2}$ and $C_{6} H_{5} N O_{2}$ are $80^{0} C, 65^{0} C$ and $212^{0} C$ respectively. Which of the following will have highest vapour pressure at room temperature?

The correct option is B $C H_{3} O H$
(B) $C H_{3} O H$
Because boiling point is the temp.
at which the vapour pressure of
liquid becomes equal to atm. pressure
methanol have lowest boiling pt.
$∴$ will show highest vapour pressure.