Class 11 MCQ Questions Chemistry Chapter 12 Organic Chemistry: Some Basic Principles and Techniques with answer | NEET JEE MCQ Chemistry

Class 11 MCQ Questions Chemistry Chapter 12 : NCERT MCQ Questions for Class 11 Chemistry Chapter 12 Organic Chemistry: Some Basic Principles and Techniques with Answers Pdf free download. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern.

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Class 11 MCQ Questions Chemistry Chapter 12 Organic Chemistry: Some Basic Principles and Techniques with answer | NEET JEE MCQ Chemistry

Q.1 Identify the chiral molecule among the following:

(a) Isopropyl alcohol
(b) 2-pentanol
(c) 1-bromo 3-butene
(d) Isobutyl alcohol

(d) Isobutyl alcohol


Q.2 Which among the following statement is not true?

(a) In liquid, particles are less regularly arranged and are free to move
(b) Boiling involves breaking up of group of molecules in liquid
(c) Boiling involves separation of oppositely charged ions
(d) Thermal energy of particles overcome cohesive forces that hold them

(c) Boiling involves separation of oppositely charged ions


Q.3 Which element is estimated by Carius method

(a) Carbon
(b) Hydrogen
(c) Halogen
(d) Nitrogen

(c) Halogen


Q.4 59 g of an amide obtained from a carboxylic acid, RCOOH, liberated 17 g of ammonia upon heating with alkali. The acid is

(a) Formic Acid
(b) Acetic Acid
(c) Propionic Acid
(d) Benzoic Acid

(b) Acetic Acid


Q.5 0.5 g of hydrocarbon gave 0.9 g water on combustion. The percentage of carbon in hydrocarbon is

(a) 75.8
(b) 80.0
(c) 56.6
(d) 28.6

(b) 80.0


Q.6 0.92 g of an organic compound was analysed by combustion method. The mass of the U- tube increased by 1.08 g. What is the percentage of hydrogen in the compound?

(a) 13.04%
(b) 52.17%
(c) 65.21%
(d) 11.30%

(a) 13.04%


Q.7 Insulin contains 3.4% sulphur. The minimum molecular weight of insulin is

(a) 350
(b) 470
(c) 560
(d) 940

(d) 940


Q.8 Which of the following compounds possess the C-H bond with the lowest bond dissociation energy?

(a) Toluene
(b) Benzene
(c) n-Pentane
(d) 2, 2-Dimethyl propane

(a) Toluene


Q.9 Which of the following cannot be represented by resonance structures?

(a) Dimethyl ether
(b) Nitrate anion
(c) Carboxylate anion
(d) Toluene

(a) Dimethyl ether


Q.10 Among the following alkenes : 1-butane (I), cis-2-butene (II), trans-2-butene (III), the decreasing order of stability is

(a) III > II > I
(b) III > I > II
(c) I > II > III
(d) II > I > III

(a) III > II > I


Q.11 An organic compound which produces a bluish green coloured flame on heating in presence of copper is

(a) Chlorobenzene
(b) Benzaldehyde
(c) Aniline
(d) Benzoic acid

(d) Benzoic acid


Q.12 The displacement of electrons in a multiple bond in the presence of attacking reagent is called

(a) Inductive effect
(b) Electromeric effect
(c) Resonance
(d) Hyper conjugation

(b) Electromeric effect


Q.13 I.U.P.A.C. name of 4-isopropyl-m-xylene is

(a) l-Isopropyl-2, 4-Dimethyl benzene
(b) 4-Iso propyl-m-Xylene
(c) l-Isopropyl-3, 5-Dimethyl benzene
(d) 4-Isopropyl-3, 5-Dimethyl benzene

(a) l-Isopropyl-2, 4-Dimethyl benzene


Q.14 If two compounds have the same empirical formula but different molecular formula they must have

(a) Different percentage composition
(b) Different molecular weight
(c) Same viscosity
(d) Same vapour density

(b) Different molecular weight


Q.15 The I.U.P.A.C name of the compond is

(a) 3, 3, 3- Trimethylpropene
(b) 1,1, 1-Trimethyl-2-pentane
(c) 3, 3-Dimethyl-l-butene
(d) 2, 2-Dimethyl-3-butane

(c) 3, 3-Dimethyl-l-butene


Q.16 In the Dumas method, the nitrogen present in organic compound gets converted to

(a) Sodium Cyanide
(b) Gaseoue Ammonia
(c) Dinitrogen Gas
(d) Ammonium Sulphate

(c) Dinitrogen Gas


Q.17 Inductive effect involves

(a) displacement of σ electrons
(b) delocalization of π electrons
(c) delocalization of σ-electrons
(d) displacement of π-electrons

(a) displacement of σ electrons


Q.18 Which one of the following conformations of cyclohexane is chiral?

(a) Twist boat
(b) Rigid
(c) Chair
(d) Boat

(a) Twist boat


Q.19 Which of the following physical properties differ for each of a pair of enantiomers?

(a) solubility in ethanol
(b) direction of rotation of plane-polarized light
(c) boiling point and melting point
(d) index of refraction

(b) direction of rotation of plane-polarized light


Q.20 Which among the following is formed when an alcohol is dehydrated?

(a) alkane
(b) alkyne
(c) alkene
(d) aldehyde

(c) alkene


Q.21 A crystalline solid possess which one of the following property?

(a) Irregularity
(b) Non- symmetric
(c) Perfect geometric pattern
(d) non- stability

(c) Perfect geometric pattern

MCQ Questions for Class 11 Chemistry with Answers Chapter with answer PDF

CBSE NCERT Objective MCQ Questions of Class 11 Chemistry with Answers Pdf will guide students to do a quick revision for all Chapter MCQs

  1. Class 11 MCQ Questions Chemistry Chapter 1 Some Basic Concepts of Chemistry
  2. Class 11 MCQ Questions Chemistry Chapter 2 Structure of Atom
  3. Class 11 MCQ Questions Chemistry Chapter 3 Classification of Elements and Periodicity in Properties
  4. Class 11 MCQ Questions Chemistry Chapter 4 Chemical Bonding and Molecular Structure
  5. Class 11 MCQ Questions Chemistry Chapter 5 States of Matter
  6. Class 11 MCQ Questions Chemistry Chapter 6 Thermodynamics
  7. Class 11 MCQ Questions Chemistry Chapter 7 Equilibrium
  8. Class 11 MCQ Questions Chemistry Chapter 8 Redox Reactions
  9. Class 11 MCQ Questions Chemistry Chapter 9 Hydrogen
  10. Class 11 MCQ Questions Chemistry Chapter 10 The s-Block Elements
  11. Class 11 MCQ Questions Chemistry Chapter 11 The p-Block Elements
  12. Class 11 MCQ Questions Chemistry Chapter 12 Organic Chemistry: Some Basic Principles and Techniques
  13. Class 11 MCQ Questions Chemistry Chapter 13 Hydrocarbons
  14. Class 11 MCQ Questions Chemistry Chapter 14 Environmental Chemistry

NCERT MCQ Questions for Class 11 Chemistry with Answers
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