Miscellaneous Questions based on Alcohols, Phenols and Ethers
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323011 Consider the following statements:
I. Solubility decreases with increase in size of alkyl/aryl groups.
II. Alcohols and phenols react with active metals to give alkoxides or phenoxides.
III. Alcohols act as Bronsted acid in the presence of electrophiles.
Identify the correct statement (s)

1 Only II
2 II and III
3 I, II
4 All of these
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323012 Assertion :
Sodium metal can be used for dying diethyl ether and benzene but not ethanol.
Reason :
Ethanol reacts with sodium metal to form sodium ethoxide and \(\mathrm{H}_{2}\) gas.

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.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323013 Glycerol on treatment with oxalic acid at \(110^{\circ} \mathrm{C}\) forms

1 formic acid
2 allyl alcohol
3 \(\mathrm{CO}_{2}\) and \(\mathrm{CO}\)
4 acrolein.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323014 Which of the following reactions involves carbon- carbon bond formation?

1 Reimer-Tiemann reaction
2 Hydroboration-oxidation
3 Cannizzaro reaction
4 Reaction of primary alcohol with PCC
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323015 Assertion :
Phenol is more acidic than ethanol.
Reason :
Phenoxide ion is resonance stabilised.

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

323011 Consider the following statements:
I. Solubility decreases with increase in size of alkyl/aryl groups.
II. Alcohols and phenols react with active metals to give alkoxides or phenoxides.
III. Alcohols act as Bronsted acid in the presence of electrophiles.
Identify the correct statement (s)

1 Only II
2 II and III
3 I, II
4 All of these
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323012 Assertion :
Sodium metal can be used for dying diethyl ether and benzene but not ethanol.
Reason :
Ethanol reacts with sodium metal to form sodium ethoxide and \(\mathrm{H}_{2}\) gas.

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.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323013 Glycerol on treatment with oxalic acid at \(110^{\circ} \mathrm{C}\) forms

1 formic acid
2 allyl alcohol
3 \(\mathrm{CO}_{2}\) and \(\mathrm{CO}\)
4 acrolein.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323014 Which of the following reactions involves carbon- carbon bond formation?

1 Reimer-Tiemann reaction
2 Hydroboration-oxidation
3 Cannizzaro reaction
4 Reaction of primary alcohol with PCC
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323015 Assertion :
Phenol is more acidic than ethanol.
Reason :
Phenoxide ion is resonance stabilised.

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

323011 Consider the following statements:
I. Solubility decreases with increase in size of alkyl/aryl groups.
II. Alcohols and phenols react with active metals to give alkoxides or phenoxides.
III. Alcohols act as Bronsted acid in the presence of electrophiles.
Identify the correct statement (s)

1 Only II
2 II and III
3 I, II
4 All of these
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323012 Assertion :
Sodium metal can be used for dying diethyl ether and benzene but not ethanol.
Reason :
Ethanol reacts with sodium metal to form sodium ethoxide and \(\mathrm{H}_{2}\) gas.

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.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323013 Glycerol on treatment with oxalic acid at \(110^{\circ} \mathrm{C}\) forms

1 formic acid
2 allyl alcohol
3 \(\mathrm{CO}_{2}\) and \(\mathrm{CO}\)
4 acrolein.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323014 Which of the following reactions involves carbon- carbon bond formation?

1 Reimer-Tiemann reaction
2 Hydroboration-oxidation
3 Cannizzaro reaction
4 Reaction of primary alcohol with PCC
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323015 Assertion :
Phenol is more acidic than ethanol.
Reason :
Phenoxide ion is resonance stabilised.

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

323011 Consider the following statements:
I. Solubility decreases with increase in size of alkyl/aryl groups.
II. Alcohols and phenols react with active metals to give alkoxides or phenoxides.
III. Alcohols act as Bronsted acid in the presence of electrophiles.
Identify the correct statement (s)

1 Only II
2 II and III
3 I, II
4 All of these
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323012 Assertion :
Sodium metal can be used for dying diethyl ether and benzene but not ethanol.
Reason :
Ethanol reacts with sodium metal to form sodium ethoxide and \(\mathrm{H}_{2}\) gas.

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.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323013 Glycerol on treatment with oxalic acid at \(110^{\circ} \mathrm{C}\) forms

1 formic acid
2 allyl alcohol
3 \(\mathrm{CO}_{2}\) and \(\mathrm{CO}\)
4 acrolein.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323014 Which of the following reactions involves carbon- carbon bond formation?

1 Reimer-Tiemann reaction
2 Hydroboration-oxidation
3 Cannizzaro reaction
4 Reaction of primary alcohol with PCC
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323015 Assertion :
Phenol is more acidic than ethanol.
Reason :
Phenoxide ion is resonance stabilised.

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

323011 Consider the following statements:
I. Solubility decreases with increase in size of alkyl/aryl groups.
II. Alcohols and phenols react with active metals to give alkoxides or phenoxides.
III. Alcohols act as Bronsted acid in the presence of electrophiles.
Identify the correct statement (s)

1 Only II
2 II and III
3 I, II
4 All of these
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323012 Assertion :
Sodium metal can be used for dying diethyl ether and benzene but not ethanol.
Reason :
Ethanol reacts with sodium metal to form sodium ethoxide and \(\mathrm{H}_{2}\) gas.

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.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323013 Glycerol on treatment with oxalic acid at \(110^{\circ} \mathrm{C}\) forms

1 formic acid
2 allyl alcohol
3 \(\mathrm{CO}_{2}\) and \(\mathrm{CO}\)
4 acrolein.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323014 Which of the following reactions involves carbon- carbon bond formation?

1 Reimer-Tiemann reaction
2 Hydroboration-oxidation
3 Cannizzaro reaction
4 Reaction of primary alcohol with PCC
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323015 Assertion :
Phenol is more acidic than ethanol.
Reason :
Phenoxide ion is resonance stabilised.

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.