Chemical Kinetics-Differential and Integral Forms of Zero and First Order Reactions (NEET Chemistry): Questions 8 - 13 of 16

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Question number: 8

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

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.

75%

c.

99.9%

d.

25%

Question number: 9

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

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.

0.12M

b.

0.32M

c.

0.5 M

d.

0.06M

Question number: 10

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

MCQ▾

Question

Which of the following reaction is first order reaction?

Choices

Choice (4) Response

a.

2NO+O22NO2

b.

NH4NO2N2+2H2O

c.

2HIH2+I2

d.

2NO22NO+O2

Question number: 11

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

MCQ▾

Question

Which of the following equation is represents first order reaction?

Choices

Choice (4) Response

a.

k=2.303tlog10(aax)

b.

k=2.303tlog10(axa)

c.

k=2.303tlog10(axa)

d.

k=2.303tlog10(aax)

Question number: 12

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

MCQ▾

Question

If a first order reaction takes 32 minutes for 75 % completion, then time required for 50 % completion is?

Choices

Choice (4) Response

a.

4 min

b.

8 min

c.

32 min

d.

16 min

Question number: 13

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

MCQ▾

Question

Idonation of acetone in presence of H+ is the reaction, which order?

Choices

Choice (4) Response

a.

Third order

b.

zero order

c.

Second order

d.

First order

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