Chemical Kinetics (NEET Chemistry): Questions 20 - 24 of 50

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Question number: 20

» Chemical Kinetics » Activation Energy

MCQ▾

Question

For N2(g)+3H2(g)2NH3(g)+22kcal,Ea for the reaction is 70 kcal. Hence, the activation energy for 2NH3(g)N2(g)+3H2(g) is?

Choices

Choice (4) Response
a.

72 kcal

b.

22 kcal

c.

92 kcal

d.

48 kcal

Question number: 21

» Chemical Kinetics » Rate of a Chemical Reaction

MCQ▾

Question

The rate of the reaction, A+B+Cproducts , is given by d[A]dt=k[A]1/2[B]1/3[C]1/4 , the order of this reaction is?

Choices

Choice (4) Response
a.

13/12

b.

½

c.

2

d.

1/4

Question number: 22

» Chemical Kinetics » Factors Affecting the Rate of Reactions

MCQ▾

Question

The temperature coefficient of most of the reactions lies between?

Choices

Choice (4) Response
a.

3 and 4

b.

2 and 3

c.

2 and 4

d.

1 and 2

Question number: 23

» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions

MCQ▾

Question

According to the zero order reaction the concentration of the reactant?

Choices

Choice (4) Response
a.

Remains the same

b.

Decreases linearly with time

c.

Increases linearly with time

d. Question does not provide sufficient data or is vague

Question number: 24

» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions

MCQ▾

Question

Which of the following plot represent the first order reaction?

Choices

Choice (4) Response
a.
Which plot explains first order reactions – Choice A

Which Plot Explains First Order Reactions – Choice A

Understanding the correct first order reaction

b.
Which plot explains first order reactions – Choice B

Which Plot Explains First Order Reactions – Choice B

Understanding the correct first order reaction

c.
Which plot explains first order reactions – Choice C

Which Plot Explains First Order Reactions – Choice C

Understanding the correct first order reaction

d.
Which plot explains first order reactions – Choice D

Which Plot Explains First Order Reactions – Choice D

Understanding the correct first order reaction

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