Chemical Kinetics-Rate Law [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 1 - 6 of 8
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Question 1
Question MCQ▾
For the reaction if , then rate of change of hydrogen would be
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 2
Question Assertion-Reason▾
Assertion(Ꭺ)
The rate of reaction is always negative.
Reason(Ꭱ)
Minus sign used in expressing the rate shows that concentration of reactant is decreasing.
Choices
Choice (4) | Response | |
---|---|---|
a. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
b. | Ꭺ is false but Ꭱ is true | |
c. | Both Ꭺ and Ꭱ are false | |
d. | Ꭺ is true but Ꭱ is false |
Question 3
Question 4
Question MCQ▾
For a single step reaction, A + 2B ⇾ 2AB, the molecularity is?
Choices
Choice (4) | Response | |
---|---|---|
a. | One | |
b. | Two | |
c. | Zero | |
d. | Three |
Question 5
Question MCQ▾
In a first order reaction the concentration of reactant decreases from to tant of reaction in is
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 6
Question MCQ▾
For the reaction , the rate law expression is:
Which of the following statements are correct?
Choices
Choice (4) | Response | |
---|---|---|
a. | k is constant for the reaction at a constant temperature | |
b. | The rate law provides a simple way of predicting the concentration of reactants and products at any time after the start of the reaction | |
c. | The reaction is said to follow first order kinetics | |
d. | All a., b. and c. are correct |