Advertisement Remove all ads

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 chapter 11 - Alcohols, Phenols and Ethers [Latest edition]

Advertisement Remove all ads

Chapters

12th Standard HSC Chemistry Maharashtra State Board 2021 - Shaalaa.com

Chapter 11: Alcohols, Phenols and Ethers

Multiple choice questionsVery Short Answer QuestionsShort Answer Questions (Type-Ⅰ)Short Answer Questions (Type-II)Long Answer Questions
Multiple choice questions

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 Chapter 11 Alcohols, Phenols and Ethers Multiple choice questions

1 Mark

Multiple choice questions | Q 1

In a carbinol system of nomenclature tert.butyl alcohol is named as _______________

  • trimethyl carbinol

  • dimethyl ethyl carbinol

  • methyl carbinol

  • ethyl carbinol

Multiple choice questions | Q 2

Which of the following pair of reagent is used for conversion of carboxylic acid to alcohol?

  • LiAlH4/H3O+

  • H2/Ni – heat

  • B2H6/H2O2, OH

  • H2/Pd

Multiple choice questions | Q 3

Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________

  • primary alcohol

  • secondary alcohol

  • tertiary alcohol

  • optically active alcohol

Multiple choice questions | Q 4

Oxidation of ethyl alcohol using K2Cr2O7/dil H2SO4 leads to formation of _______________

  • acetaldehyde

  • acetic acid

  • ethane

  • acetone

Multiple choice questions | Q 5

When vapours of tert.butyl alcohol are passed over hot copper, it gives _____________

  • butanal

  • butanoic acid

  • butanone

  • isobutylene

Multiple choice questions | Q 6

Reaction between hot conc. HI and anisole gives ______________

  • phenol and methyl iodide

  • iodobenzene and methyl alcohol

  • iodobenzene and methyl iodide

  • phenol and methyl alcohol

Multiple choice questions | Q 7

The reagents used to convert phenol to 2,4,6-tribromophenol is _____________

  • Br2/CS2

  • Br2/CCl4

  • Br2/H2O

  • KBr aq.

Advertisement Remove all ads
Very Short Answer Questions

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 Chapter 11 Alcohols, Phenols and Ethers Very Short Answer Questions

1 Mark

Very Short Answer Questions | Q 1

Why do phenols give deep coloration with neutral ferric chloride?

Very Short Answer Questions | Q 2

Arrange the following in decreasing order of acid strength.

CH3OH, CH3–CH2–OH, CH3–CH(OH)–CH3, (CH3)3–C–OH

Very Short Answer Questions | Q 3

Write IUPAC name of crotonyl alcohol.

Very Short Answer Questions | Q 4

Draw the structure of the major product of hydroboration-oxidation of propene.

Very Short Answer Questions | Q 5

Write the reaction to get aspirin from salicylic acid.

Very Short Answer Questions | Q 6

Write the name of major product when anisole reacts HI at 398 K

Very Short Answer Questions | Q 7

What is the action of atmospheric oxygen on ethers?

Very Short Answer Questions | Q 8

With the help of chemical equations show what happens when cumene hydroperoxide is treated with dil. acid.

Very Short Answer Questions | Q 9

Draw intramolecular hydrogen bonding structure in o-nitrophenol.

Advertisement Remove all ads
Short Answer Questions (Type-Ⅰ)

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 Chapter 11 Alcohols, Phenols and Ethers Short Answer Questions (Type-Ⅰ)

2 Marks

Short Answer Questions (Type-Ⅰ) | Q 1

What is the action of following reagents on pent-3-enal?

  1. H2/Ni
  2. LiAlH4/H3O+
Short Answer Questions (Type-Ⅰ) | Q 2

Write the reactions involved in the preparation of phenol from benzene sulfonic acid.

Short Answer Questions (Type-Ⅰ) | Q 3

Write Kolbe’s reaction.

Short Answer Questions (Type-Ⅰ) | Q 4

Name the reagents used to convert phenol into

  1. picric acid
  2. p-benzoquinone
Short Answer Questions (Type-Ⅰ) | Q 5

Identify ‘A’ and ‘B’ in the following reaction sequence.

\[\ce{CH3COOH + C2H5OH ->[H+][-H2O] A ->[H2/Ni][\Delta] B}\]

Short Answer Questions (Type-Ⅰ) | Q 6.1

Write chemical equation of acetyl chloride with ethanol

Short Answer Questions (Type-Ⅰ) | Q 6.2

Write chemical equation of acetyl chloride with phenol

Advertisement Remove all ads
Short Answer Questions (Type-II)

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 Chapter 11 Alcohols, Phenols and Ethers Short Answer Questions (Type-II)

3 Marks

Short Answer Questions (Type-II) | Q 1

What is the action of following on phenol at low temperature?

  1. dil. HNO3
  2. conc. H2SO4
  3. Br2/CS2
Short Answer Questions (Type-II) | Q 2

An unknown alcohol is treated with Lucas reagent. Explain how you will determine whether the alcohol is primary, secondary or tertiary. Indicate by chemical equation the reaction between isopropyl alcohol and Lucas reagent.

Short Answer Questions (Type-II) | Q 3.1

How will you bring about the following conversions?

isopropyl alcohol to acetone

Short Answer Questions (Type-II) | Q 3.2

How will you bring about the following conversions?

2-methyl propan-2-ol to 2-methylpropene

Short Answer Questions (Type-II) | Q 3.3

How will you bring about the following conversions?

acetone to 2-methylpropan-2-ol

Short Answer Questions (Type-II) | Q 4

Compound ‘A’ with molecular formula C6H5Cl is fused with NaOH at high temperature under pressure to give compound ‘B’. Compound ‘B’ on treatment with dil.HCl gives compound C having characteristic carbolic odour. Write the chemical equations in support of this. Name the process and give uses of compound C.

Short Answer Questions (Type-II) | Q 5.1

Write the preparation of ethanol from methyl magnesium iodide.

Short Answer Questions (Type-II) | Q 5.2

Write the reaction between ethanol and acetic anhydride.

Short Answer Questions (Type-II) | Q 6.1

Write the reactions for the preparation of carbolic acid from aniline.

Short Answer Questions (Type-II) | Q 6.2

What is the action of conc. H2SO4 on carbolic acid at 373 K.

Advertisement Remove all ads
Long Answer Questions

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 Chapter 11 Alcohols, Phenols and Ethers Long Answer Questions

4 Marks

Long Answer Questions | Q 1

Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.

Long Answer Questions | Q 2.1

An organic compound gives hydrogen on reaction with sodium metal. It forms an aldehyde with molecular formula C2H4O on oxidation with pyridinium chlorochromate. Give the chemical equations in support of these observations.

Long Answer Questions | Q 2.2

Explain the fact that in alkyl aryl ethers, the alkoxy group is ring activating and ortho/para directing towards electrophilic aromatic substitution.

Long Answer Questions | Q 3.1

How will you prepare diethyl ether by dehydration of alcohol?

Long Answer Questions | Q 3.2

What are the limitations to prepare ether by this method?

Long Answer Questions | Q 3.3

What is the action of following on diethyl ether?

dil. H2SO4

Long Answer Questions | Q 3.3

What is the action of following on diethyl ether?

PCl5

Advertisement Remove all ads

Chapter 11: Alcohols, Phenols and Ethers

Multiple choice questionsVery Short Answer QuestionsShort Answer Questions (Type-Ⅰ)Short Answer Questions (Type-II)Long Answer Questions
12th Standard HSC Chemistry Maharashtra State Board 2021 - Shaalaa.com

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 chapter 11 - Alcohols, Phenols and Ethers

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Chemistry Maharashtra State Board 2021 chapter 11 (Alcohols, Phenols and Ethers) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board 12th Standard HSC Chemistry Maharashtra State Board 2021 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. SCERT Maharashtra Question Bank textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in 12th Standard HSC Chemistry Maharashtra State Board 2021 chapter 11 Alcohols, Phenols and Ethers are Alcohols, Phenols and Ethers, Classification of Alcohols, Phenols and Ethers, Nomenclature, Alcohols and Phenols, Ethers, Uses of Alcohols, Phenols and Ethers.

Using SCERT Maharashtra Question Bank 12th Board Exam solutions Alcohols, Phenols and Ethers exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in SCERT Maharashtra Question Bank Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 12th Board Exam prefer SCERT Maharashtra Question Bank Textbook Solutions to score more in exam.

Get the free view of chapter 11 Alcohols, Phenols and Ethers 12th Board Exam extra questions for 12th Standard HSC Chemistry Maharashtra State Board 2021 and can use Shaalaa.com to keep it handy for your exam preparation

Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×