Physical Properties of Alcohols, Phenols and Ethers
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323069 Which of the following compounds has lowest boiling point?

1 n-butyl alcohol
2 Iso-butyl alcohol
3 Tert-butyl alcohol
4 Sec-butyl alcohol
MHTCET
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323070 The decreasing order of boiling points of the following alcohols is.
I. 1-pentanol.
II. 2-pentanol
III. 3-methyl-2-butanol
IV. 2-methyl-2-butanol.

1 I \(>\) II \(>\) III \(>\) IV
2 I \(>\) III \(>\) II \(>\) IV
3 II \(>\) I \(>\) III \(>\) IV
4 IV \(>\) III \(>\) II \(>\) I
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323071 The correct order of boiling point is:

1 \(\mathrm{C}_{2} \mathrm{H}_{5}-\mathrm{O}-\mathrm{C}_{2} \mathrm{H}_{5}>\mathrm{C}_{4} \mathrm{H}_{9} \mathrm{OH}>\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{5}-\mathrm{O}-\mathrm{C}_{2} \mathrm{H}_{5} < \mathrm{C}_{4} \mathrm{H}_{9} \mathrm{OH} < \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3}\)
3 \({\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3} < {{\text{C}}_2}{{\text{H}}_5} - {\text{O}} - {{\text{C}}_2}{{\text{H}}_5} < \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{{\text{C}}_4}{{\text{H}}_9}{\text{OH}}\)
4 \({\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3} < {{\text{C}}_2}{{\text{H}}_5} - {\text{O}} - {{\text{C}}_2}{{\text{H}}_5} > \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{{\text{C}}_4}{{\text{H}}_9}{\text{OH}}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323072 Assertion :
Ethanol is liquid but dimethyl ether is a gas.
Reason :
In alcohols, carbon as well as oxygen are \(\mathrm{sp}^{3}\) hybridised.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323069 Which of the following compounds has lowest boiling point?

1 n-butyl alcohol
2 Iso-butyl alcohol
3 Tert-butyl alcohol
4 Sec-butyl alcohol
MHTCET
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323070 The decreasing order of boiling points of the following alcohols is.
I. 1-pentanol.
II. 2-pentanol
III. 3-methyl-2-butanol
IV. 2-methyl-2-butanol.

1 I \(>\) II \(>\) III \(>\) IV
2 I \(>\) III \(>\) II \(>\) IV
3 II \(>\) I \(>\) III \(>\) IV
4 IV \(>\) III \(>\) II \(>\) I
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323071 The correct order of boiling point is:

1 \(\mathrm{C}_{2} \mathrm{H}_{5}-\mathrm{O}-\mathrm{C}_{2} \mathrm{H}_{5}>\mathrm{C}_{4} \mathrm{H}_{9} \mathrm{OH}>\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{5}-\mathrm{O}-\mathrm{C}_{2} \mathrm{H}_{5} < \mathrm{C}_{4} \mathrm{H}_{9} \mathrm{OH} < \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3}\)
3 \({\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3} < {{\text{C}}_2}{{\text{H}}_5} - {\text{O}} - {{\text{C}}_2}{{\text{H}}_5} < \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{{\text{C}}_4}{{\text{H}}_9}{\text{OH}}\)
4 \({\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3} < {{\text{C}}_2}{{\text{H}}_5} - {\text{O}} - {{\text{C}}_2}{{\text{H}}_5} > \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{{\text{C}}_4}{{\text{H}}_9}{\text{OH}}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323072 Assertion :
Ethanol is liquid but dimethyl ether is a gas.
Reason :
In alcohols, carbon as well as oxygen are \(\mathrm{sp}^{3}\) hybridised.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323069 Which of the following compounds has lowest boiling point?

1 n-butyl alcohol
2 Iso-butyl alcohol
3 Tert-butyl alcohol
4 Sec-butyl alcohol
MHTCET
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323070 The decreasing order of boiling points of the following alcohols is.
I. 1-pentanol.
II. 2-pentanol
III. 3-methyl-2-butanol
IV. 2-methyl-2-butanol.

1 I \(>\) II \(>\) III \(>\) IV
2 I \(>\) III \(>\) II \(>\) IV
3 II \(>\) I \(>\) III \(>\) IV
4 IV \(>\) III \(>\) II \(>\) I
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323071 The correct order of boiling point is:

1 \(\mathrm{C}_{2} \mathrm{H}_{5}-\mathrm{O}-\mathrm{C}_{2} \mathrm{H}_{5}>\mathrm{C}_{4} \mathrm{H}_{9} \mathrm{OH}>\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{5}-\mathrm{O}-\mathrm{C}_{2} \mathrm{H}_{5} < \mathrm{C}_{4} \mathrm{H}_{9} \mathrm{OH} < \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3}\)
3 \({\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3} < {{\text{C}}_2}{{\text{H}}_5} - {\text{O}} - {{\text{C}}_2}{{\text{H}}_5} < \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{{\text{C}}_4}{{\text{H}}_9}{\text{OH}}\)
4 \({\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3} < {{\text{C}}_2}{{\text{H}}_5} - {\text{O}} - {{\text{C}}_2}{{\text{H}}_5} > \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{{\text{C}}_4}{{\text{H}}_9}{\text{OH}}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323072 Assertion :
Ethanol is liquid but dimethyl ether is a gas.
Reason :
In alcohols, carbon as well as oxygen are \(\mathrm{sp}^{3}\) hybridised.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
NEET DIGITAL LIBRARY
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323069 Which of the following compounds has lowest boiling point?

1 n-butyl alcohol
2 Iso-butyl alcohol
3 Tert-butyl alcohol
4 Sec-butyl alcohol
MHTCET
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323070 The decreasing order of boiling points of the following alcohols is.
I. 1-pentanol.
II. 2-pentanol
III. 3-methyl-2-butanol
IV. 2-methyl-2-butanol.

1 I \(>\) II \(>\) III \(>\) IV
2 I \(>\) III \(>\) II \(>\) IV
3 II \(>\) I \(>\) III \(>\) IV
4 IV \(>\) III \(>\) II \(>\) I
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323071 The correct order of boiling point is:

1 \(\mathrm{C}_{2} \mathrm{H}_{5}-\mathrm{O}-\mathrm{C}_{2} \mathrm{H}_{5}>\mathrm{C}_{4} \mathrm{H}_{9} \mathrm{OH}>\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{5}-\mathrm{O}-\mathrm{C}_{2} \mathrm{H}_{5} < \mathrm{C}_{4} \mathrm{H}_{9} \mathrm{OH} < \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3}\)
3 \({\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3} < {{\text{C}}_2}{{\text{H}}_5} - {\text{O}} - {{\text{C}}_2}{{\text{H}}_5} < \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{{\text{C}}_4}{{\text{H}}_9}{\text{OH}}\)
4 \({\text{C}}{{\text{H}}_3} - {\text{O}} - {\text{C}}{{\text{H}}_3} < {{\text{C}}_2}{{\text{H}}_5} - {\text{O}} - {{\text{C}}_2}{{\text{H}}_5} > \)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{{\text{C}}_4}{{\text{H}}_9}{\text{OH}}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323072 Assertion :
Ethanol is liquid but dimethyl ether is a gas.
Reason :
In alcohols, carbon as well as oxygen are \(\mathrm{sp}^{3}\) hybridised.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
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