Physical Chemistry-Chemical Kinetics [CSIR (Council of Scientific & Industrial Research) Chemical Sciences]: Questions 42 - 47 of 55
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Question 42
Appeared in Year: 2020
Question MCQ▾
For a reaction, raising the temperature from to results in the increase of rate constant by a factor of 2. The activation energy for this reaction in is closest to
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 43
Appeared in Year: 2020
Question MCQ▾
An aqueous solution contains and . The logarithm of the mean ionic activity coefficient of this solution at is
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 44
Appeared in Year: 2020
Question MCQ▾
A monatomic perfect gas undergoes expansion from to under isothermal or adiabatic conditions. The pressure of the gas will fall more rapidly under adiabatic conditions because
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 45
Appeared in Year: 2020
Question MCQ▾
The concentration of a compound undergoing decomposition as a function of time is given below:
The order of the reaction is
Choices
Choice (4) | Response | |
---|---|---|
a. | 0 | |
b. | 1 | |
c. | 2 | |
d. | 3 |
Question 46
Appeared in Year: 2020
Question MCQ▾
On heating and , the products formed are respectively
Choices
Choice (4) | Response | |
---|---|---|
a. | and | |
b. | and | |
c. | and | |
d. | and |
Question 47
Appeared in Year: 2020
Question MCQ▾
The products and for the given reaction
are, respectively
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |