CBSE Class 11 Chemistry Organic Chemistry Some Basic Principles and Techniques MCQs

Refer to CBSE Class 11 Chemistry Organic Chemistry Some Basic Principles and Techniques MCQs provided below. CBSE Class 11 Chemistry MCQs with answers available in Pdf for free download. The MCQ Questions for Class 11 Chemistry with answers have been prepared as per the latest syllabus, CBSE books and examination pattern suggested in Class 11 by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 12 Organic Chemistry Some Basic Principles and Techniques are an important part of exams for Class 11 Chemistry and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 11 Chemistry and also download more latest study material for all subjects

MCQ for Class 11 Chemistry Chapter 12 Organic Chemistry Some Basic Principles and Techniques

Class 11 Chemistry students should refer to the following multiple-choice questions with answers for Chapter 12 Organic Chemistry Some Basic Principles and Techniques in Class 11. These MCQ questions with answers for Class 11 Chemistry will come in exams and help you to score good marks

Chapter 12 Organic Chemistry Some Basic Principles and Techniques MCQ Questions Class 11 Chemistry with Answers

Question: Which of the following scientist proposed that a ‘vital force’ was responsible for the formation of organic compounds ?

a) Berzilius

b) Wohler

c) Berthelot

d) Kolbe

Answer: Berzilius

 

Question: First organic compound to be synthesised was

a) urea

b) cane sugar

c) methane

d) acetic acid

Answer: urea

 

Question: Which of the following organic compound was synthesised by F. Wohler from an inorganic compound?

a) Urea

b) Chloroform

c) Methane

d) Acetic acid

Answer: Urea

 

Question: The discovery that shook the belief in the vital force theory was

a) Wholer’s synthesis of urea from ammonium cyanate

b) Fermentation of sugars

c) Synthesis of indigo

d) Stereoisomerism

Answer: Wholer’s synthesis of urea from ammonium cyanate

 

Question: In laboratory, first organic compound was synthesised by

a) Wohler

b) Kekule

c) Hennel

d) Liebig

Answer: Wohler

 

Question: Who is known as the “Father of Chemistry”?

a) Lavoisier

b) Priestley

c) Faraday

d) Rutherford

Answer: Lavoisier

 

Question: The percentage of s- character of the hybrid orbitals in ethane, ethene and ethyne are respectively

a) 25, 33, 50

b) 50, 75, 100

c) 25, 50, 75

d) 10, 20, 40

Answer: 25, 33, 50

 

Question: The functional group present in organic, acid is –

a) –COOH

b) – OH

c) – CHO

d) > C = O

Answer: –COOH

 

Question: Which of these contains the carbonyl group?

a) all of these

b) aldehydes

c) ketones

d) esters

Answer: all of these

 

Question: Butanone is a four-carbon compound with the functional group –

a) ketone

b) carboxylic acid

c) aldehyde.

d) alcohol.

Answer: ketone

 

Question: Which of the following compounds contains 1°, 2°, 3° as well as 4° carbon atoms ?

a) 2,2,3-trimethyl pentane

b) 2-methyl pentane

c) Neopentane

d) 2,3-dimethyl butane

Answer: 2,2,3-trimethyl pentane

 

Question: The number of secondary hydrogens in 2, 2-dimethylbutane is

a) 2

b) 6

c) 8

d) 4

Answer: 2

 

Question: The compound which has one isopropyl group is

a) 2- Methypentane

b) 2, 2, 3- Trimethylpentane

c) 2, 2 - Dimethylpentane

d) 2, 2, 3, 3 - Tetramethylpentane

Answer: 2- Methypentane

 

Question: Which of the following statements is false for isopentane ?

a) It has a carbon which is not bonded to hydrogen

b) It has one CH group

c) It has one CH2 group

d) It has three CH3 groups

Answer: It has a carbon which is not bonded to hydrogen

 

Question: The number of primary, secondary and tertiary carbons in 3, 4-dimethylheptane are respectively

a) 4, 3 and 2

b) 4, 2 and 3

c) 2, 3 and 4

d) 3, 4 and 2

Answer: 4, 3 and 2

 

Question: The number of primary, secondary, tertiary and quaternary carbons in neopentane are respectively

a) 4, 0, 0 and 1

b) 4, 3, 2 and 1

c) 5, 0, 0 and 1

d) 4, 0, 1 and 1

Answer: 4, 0, 0 and 1

 

Question: What is the IUPAC name of t-butyl alcohol.

a) 2–Methyl-propan–2-ol

b) Propanol-2

c) Butanol–2

d) Butanol–1

Answer: 2–Methyl-propan–2-ol

 

Question: The IUPAC name of CH3COCH (CH3)2 is -

a) 3-methyl-2-butanone

b) 4-methylisopropyl ketone

c) 2-methyl-3-butanone

d) isopropyl methyl ketone

Answer: 3-methyl-2-butanone

 

Question: Which of the following statements is false for isopentane–

a) It has a carbon which is not bonded to hydrogen

b) It has one CH group

c) It has three CH3 groups

d) It has one CH2 group

Answer: It has a carbon which is not bonded to hydrogen

 

Question: The IUPAC name of neopentane is

a) 2, 2-dimethylpropane

b) 2, 2-dimethylbutane

c) 2-methylpropane

d) 2-methylbutane

Answer: 2, 2-dimethylpropane

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CBSE Class 11 Chemistry Chapter 12 Organic Chemistry Some Basic Principles and Techniques MCQs

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