NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 547 - 551 of 1258

Access detailed explanations (illustrated with images and videos) to 1258 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 500.00 or

How to register?

Question number: 547

» Chemical Kinetics » Factors Affecting the Rate of Reactions

Edit
MCQ▾

Question

The temperature coefficient of most of the reactions lies between?

Choices

Choice (4) Response

a.

3 and 4

b.

2 and 4

c.

1 and 2

d.

2 and 3

Question number: 548

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

Edit
MCQ▾

Question

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

Choices

Choice (4) Response

a.

Decreases linearly with time

b.

Remains the same

c.

Increases linearly with time

d.

None of the above

Question number: 549

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

Edit
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

Question number: 550

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

Edit
MCQ▾

Question

Half life of a first order reaction is 10 min. What percentage of reaction will be completed in 100 min?

Choices

Choice (4) Response

a.

80%

b.

99.9%

c.

25%

d.

75%

Question number: 551

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

Edit
MCQ▾

Question

A certain zero order reaction has k = 0.025 M s-1 for the disappearance of A. What will be the concentration of A after 15 seconds if the initial concentration is 0.5M?

Choices

Choice (4) Response

a.

0.32M

b.

0.5 M

c.

0.06M

d.

0.12M