Which of the following has highest boiling pt.? 1 acetone 2 diethyl ether 3 methanol 4 ethanol

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Q. The boiling points of diethyl ether, acetone and n-butyl alcohol are

35^{o} C

56^{o} C

and

118^{o} C

respectively. Which one of the following correctly represents their boiling points in Kelvin scale?

The boiling point of methanol, water and dimethyl ether are respectively $65^{0} C, 100^{0} C a n d {34.5}^{0} C$ . Which of the following best explains these wide variations in b.p.?

Q. The boiling points of Diethyl ether, Acetone and n-Butyl alcohol are

35^{\circ} C, 56^{\circ} C

and

118^{\circ} C

respectively. Which one of the following correctly represents their boiling points in Kelvin scale?

Q. Give chemical equations of the following conversions:
(i) Diethyl ether from Ethanol
(ii) Ethanol from Diethyl ether
(iii) Ethyl acetate from Ethanol
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Q. If the boiling point of ethanol (molecular weight

- 46

) is

78^{o} C

, what is the boiling point of diethyl ether (molecular weight=

74

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