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Test: Catalysis (Old NCERT) - NEET MCQ


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10 Questions MCQ Test Chemistry Class 12 - Test: Catalysis (Old NCERT)

Test: Catalysis (Old NCERT) for NEET 2024 is part of Chemistry Class 12 preparation. The Test: Catalysis (Old NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Catalysis (Old NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Catalysis (Old NCERT) below.
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Test: Catalysis (Old NCERT) - Question 1

Which of the following statements is correct about solid catalysts?

Detailed Solution for Test: Catalysis (Old NCERT) - Question 1

A catalyst is specific in nature. Same reactant can give different products with different catalysts.

Test: Catalysis (Old NCERT) - Question 2

Which of the following can adsorb larger volume of hydrogen gas?

Detailed Solution for Test: Catalysis (Old NCERT) - Question 2

In colloidal solution the particles are suspended and are more dispersed than powdered form hence adsorption is maximum.

Test: Catalysis (Old NCERT) - Question 3

Traces of molybdenum are used with finely divided iron which acts as a catalyst during Haber’s process for synthesis of ammonia. The molybdenum

Detailed Solution for Test: Catalysis (Old NCERT) - Question 3

Substances which themselves are not catalysts but when mixed in small quantities with the catalysts increase their efficiency are called promoters or activators.

Test: Catalysis (Old NCERT) - Question 4

Which kind of catalysis can be explained on the basis of adsorption theory?

Detailed Solution for Test: Catalysis (Old NCERT) - Question 4

Heterogeneous catalysis can be explained on the basis of adsorption theory.

Test: Catalysis (Old NCERT) - Question 5

According to adsorption theory of catalysis, the rate of reaction increases with the use of a catalyst because

Detailed Solution for Test: Catalysis (Old NCERT) - Question 5

Due to adsorption the concentration of reactants increases at active centres due to which rate of reaction increases.

Test: Catalysis (Old NCERT) - Question 6

The oxide of nitrogen which acts as a catalyst in lead chamber process is

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Test: Catalysis (Old NCERT) - Question 7

Which of the following is an example of heterogeneous catalysis?

Detailed Solution for Test: Catalysis (Old NCERT) - Question 7

This is an example of heterogeneous catalysis as the catalyst is present in different phase than that of the reactants.

Following reactions are the examples of homogeneous catalysis as the catalyst and the reactants are in same phase.

Test: Catalysis (Old NCERT) - Question 8

Shape-selective catalysis is a reaction catalysed by

Detailed Solution for Test: Catalysis (Old NCERT) - Question 8

Zeolite is a most widely studied shape-selective catalyst. Shape-selectivity of zeolite depends upon pore structure of the catalyst, pore size generally varies between 260 pm to 740 pm. Such catalysts are highly specific because molecules of only a particular size and shape enter these pores and get adsorbed.

Test: Catalysis (Old NCERT) - Question 9

Which of the following statements about zeolites is not correct?

Detailed Solution for Test: Catalysis (Old NCERT) - Question 9

Zeolites are naturally occurring or synthetic microporous aluminosilicates.

Test: Catalysis (Old NCERT) - Question 10

The activity of an enzyme becomes ineffective

Detailed Solution for Test: Catalysis (Old NCERT) - Question 10

Enzymes are effective only at optimum temperature. They become ineffective at very high temperature.

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