Isomerism, Class 11 Chemistry NCERT Solutions

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1. There will be total 10  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. Compounds having the same molecular formula but different structures are classified as:

  Metamerism

 Structural isomers

 Geometrical isomerism

 Optical isomerism

Question 1 of 10

2. Position isomerism is a part of:

  Metamerism

 Chain isomerism

 Functional group isomerism

 Structural isomerism

Question 2 of 10

3. The number of isomers possible for a disubstituted benzene are:

 One

 Three

 Two

 four

Question 3 of 10

4. Pentane , isopentane and neopentane is a type of:

 Geometrical isomerism

 Optical isomerism

 Position isomerism

 Chain isomerism

Question 4 of 10

5. Geometrical and Optical isomerism are types of:

 Metamerism

 Stereoisomerism

 Position isomerism

 Functional group isomerism

Question 5 of 10

6. Which type of isomerism is exhibited by the compounds whose structures are shown below?

 and 

 Metamerism

 Geometric isomerism

 Tautomerism

  Position isomerism

Question 6 of 10

7. C₃H₆O represents an aldehyde and a ketone is a type of:

  Chain isomerism

 Functional group isomerism

 Metamerism

 Position isomerism

Question 7 of 10

8. The phenomenon of existence of two or more compounds possessing the same molecular formulae but different properties is known as:

  Metamerism

 Aromaticity

 Cleavage

 Isomerism

Question 8 of 10

9. Compounds having the same constitution and sequence of covalent bonds but differ in relative position of their atoms or groups in space are called:

  Position isomerism

 Stereoisomerism

 Functional group isomerism

 Chain isomerism

Question 9 of 10

10. The isomer of ethanol is:

  Diethyl ether

 Dimethyl ether

 Methanol

 Acetone

Question 10 of 10

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