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NCERT Exemplar · Class 12 · Chemistry

Chapter 5: Surface Chemistry

Practice each question, then open the answer or worked solution.

I. Multiple Choice Questions (Type-I)

25 questions
Q21Multiple choice

Arrange the following diagrams in the correct sequence of steps involved in the

mechanism of catalysis, in accordance with modern adsorption theory.

NCERT Exemplar Solutions of Class 12 Chemistry Chapter 5 Surface Chemistry-1

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Correct option: B
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Worked solution

Option (ii) is the answer.

Q22Multiple choice

Which of the following process is responsible for the formation of the delta at a

a place where rivers meet the sea?

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Correct option: C
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Worked solution

Option (iii) is the answer.

Q23Written answer

Which of the following curves is in accordance with Freundlich adsorption

isotherm?

NCERT Exemplar Solutions of Class 12 Chemistry Chapter 5 Surface Chemistry-2

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Worked solution

Option (iii) is the answer.

Q24Multiple choice

Which of the following process is not responsible for the presence of electric charge on the sol particles?

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Correct option: D
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Worked solution

Option (iv) is the answer.

Q25Multiple choice

Which of the following phenomenon applies to the process shown in Fig. 5.1?

NCERT Exemplar Solutions of Class 12 Chemistry Chapter 5 Surface Chemistry-3

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Correct option: B
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Worked solution

Option (ii) is the answer.