CBSE Class 12th Chemistry Chapter 7 - Alcohols, Phenols and Ethers Important Questions with Answers

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Write the IUPAC name of the following compound: (All India 2017)
Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 22

Question 2.

Write the IUPAC name of the following compound: (All India 2017)
Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 23

Question 3.

Write IUPAC name of the following compound : (Comptt. Delhi 2017)
Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 24

Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 24

Question 4.

What happens when phenol is heated with zinc dust? (Comptt. All India 2017)

Question 5.

What happens when phenol is treated with bromine water? (Comptt. All India 2017)

Question 6.

Give simple chemical tests to distinguish between the following pairs of compounds: Benzoic acid and Phenol (All India 2017)

Question 7.

(a) What happens when CH₃—O—CH (b) Explain mechanism for hydration of acid catalyzed ethene :
CH2 = CH2 + HzO \(\stackrel{\mathrm{H}^{+}}{\longrightarrow} \)CH3—CH,—OH (Comptt. Delhi 2017)

Question 8.

(a) Why phenol is more acidic than ethanol?
(b) Write the mechanism of acid dehydration of ethanol to yield ether: (Comptt. All India 2017)

Question 9.

(i) Write Reimer-Timann reaction.
(ii) Write the mechanism of acid dehydration of ethanol to yield ethene : (Comptt. All India 2017)

Question 10.

(a) Write the product(s) in the following reactions: (Delhi 2017)
Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 98

Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 98

(b) Give simple chemical tests to distinguish between the following pairs of compounds:
(i) Ethanol and Phenol
(ii) Propanol and 2-methylpropan-2-ol

Question 1.

Write the formula of reagents used in the following reactions:
(i) Bromination of phenol to 2,4,6-tribromophenol
(ii) Hydroboration of propene and then oxidation to propanol.
(b) Arrange the following compound groups in the increasing order of their property indicated:
(i) p-nitrophenol, ethanol, phenol (acidic character)
(ii) Propanol, Propane, Propanal (boiling point)
(c) Write the mechanism (using curved arrow notation) of the following reaction: (Delhi 2017)
Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 101

Question 2.

Write the IUPAC name of the given compound: (All India 2016)
Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 18

Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 18

Question 3.

Write equation of the nitration of anisole. (Comptt. Delhi 2016)

Question 4.

Out of CH₃OH and
Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 20

, which one is more acidic? (Comptt. All India 2016)

Question 5.

Write the mechanism of the following reaction: (Delhi 2016)

Question 6.

(a) Arrange the following compounds in the increasing order of their acid strength: p-cresol, p-nitrophenol, phenol
(b) Write the mechanism (using curved arrow notation) of the following reaction: (All India 2016)

Question 7.

Write the structures of the products when Butan-2-ol reacts with the following:
(a) CrO₃
(b) SOCl₂ (All India 2016)

Question 8.

Write the main product(s) in each of the following reactions: (Delhi 2016)
Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 85

Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 85

Question 9.

Write the final product(s) in each of the following reactions: (All India 2016)
Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 88

Important Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers Class 12 Important Questions 88

Question 10.

How are the following conversions carried out?
(i) Propene ? Propan-2-ol
(ii) Benzyl chloride ? Benzyl alcohol
(iii) Ethyl magnesium chloride ? Propan-1-ol (Comptt. Delhi 2016)