Assertion and Reason Questions on Class 12 Chemistry Chapter 5 Surface Chemistry
Directions: These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses.
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
(c) If the Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.
Table of Contents
Q.1. Assertion: Detergents with low CMC are more economical to use.
Reason: Cleansing action of detergents involves the formation of micelles. These are formed when the concentration of detergents becomes equal to CMC.
Answer
aQ.2. Assertion: An ordinary filter paper impregnated with collodion solution stops the flow of colloidal particles.
Reason: Pore size of the filter paper becomes more than the size of colloidal particle.
Answer
cQ.3. Assertion : The value of colligative properties are of small order for colloids as compared to true solution.
Reason : Number of particles in colloidal solution is comparatively smaller than true solutions.
Answer
(a) Colligative properties depend upon number of particles.Related Posts
- Assertion and Reason Questions on Class 12 Chemistry Chapter 9 COORDINATION COMPOUNDS
- Assertion and Reason Questions on Class 12 Chemistry Chapter 8 THE d-AND f-BLOCK ELEMENTS
- Assertion and Reason Questions on Class 12 Chemistry Chapter 7 p-BLOCK ELEMENTS (GROUP 15, 16, 17 AND 18)
- Assertion and Reason Questions on Class 12 Chemistry Chapter 6 GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
- Assertion and Reason Questions on Class 12 Chemistry Chapter 5 Surface Chemistry
- Assertion and Reason Questions on Class 12 Chemistry Chapter 3 Electrochemistry
- Assertion and Reason Questions on Class 12 Chemistry Chapter 2 Solutions
- Assertion and Reason Questions on Class 12 Chemistry Chapter 16 CHEMISTRY IN EVERYDAY LIFE
- Assertion and Reason Questions on Class 12 Chemistry Chapter 15 Polymers
- Assertion and Reason Questions on Class 12 Chemistry Chapter 14 BIOMOLECULES
- Assertion and Reason Questions on Class 12 Chemistry Chapter 13 Amines
- Assertion and Reason Questions on Class 12 Chemistry Chapter 12 ALDEHYDES, KETONES AND CARBOXYLIC ACIDS
- Assertion and Reason Questions on Class 12 Chemistry Chapter 11 ALCOHOLS, PHENOLS AND ETHERS
- Assertion and Reason Questions on Class 12 Chemistry Chapter 10 HALOALKANES AND HALOARENES
- Assertion and Reason Questions on Class 12 Chemistry Chapter 1 The Solid State
