Q. No.Select the correct option based on statements below:
| Assertion (A): | Order and molecularity are the same. |
| Reason (R): | Order is determined experimentally, and molecularity is the sum of the stoichiometric coefficient of the rate-determining the elementary step. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Subtopic: Order, Molecularity and Mechanism |
76%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Select the correct option based on statements below:
| Assertion (A): | The order of the reaction can be zero or fractional. |
| Reason (R): | We cannot determine order from the balanced chemical equation. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Order, Molecularity and Mechanism |
58%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Select the correct option based on statements below:
| Assertion (A): | The overall order of reaction is the sum of the power of all the reactants in the rate expression. |
| Reason (R): | There are many higher-order reactions. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Order, Molecularity and Mechanism |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Select the correct option based on statements below:
| Assertion (A): | Base catalyzed hydrolysis of ethyl acetate is a first-order reversible reaction. |
| Reason (R): | The order of reaction always depends on the stoichiometry of the reaction. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Order, Molecularity and Mechanism |
52%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Select the correct option based on statements below:
| Assertion (A): | For elementary reactions, the law of mass action and the rate of law expression are generally the same. |
| Reason (R): | The molecularity of an elementary reaction is always one. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Order, Molecularity and Mechanism |
64%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
The correct statements among the following regarding a complex reaction are-
| a. | Order of the overall reaction is the same as the molecularity of the slowest step. |
| b. | Order of the overall reaction is less than the molecularity of the slowest step. |
| c. | Order of the overall reaction is greater than the molecularity of the slowest step. |
| d. | The molecularity of the slowest step is never zero or non-integer. |
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Subtopic: Order, Molecularity and Mechanism |
74%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
The correct statements among the following regarding any unimolecular reaction are-
| a. | Only one reacting species is involved in the rate-determining step |
| b. | The order and the molecularity of the slowest step are equal to one |
| c. | The molecularity of the reaction is one and the order is zero |
| d. | Both molecularity and order of the reaction are one |
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Subtopic: Order, Molecularity and Mechanism |
55%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
The graphs that represent a zero-order reaction are:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Subtopic: Order, Molecularity and Mechanism |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
For a general reaction A → B, the plot of concentration of A vs time is given below:
The order of the reaction would be-
1. Zero
2. First
3. Half
4. Second
Subtopic: Order, Molecularity and Mechanism |
71%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Match the items in Column I and Column II:
| Column I | Column II |
| A. Mathematical expression for the rate of reaction | 1. Rate constant |
| B. Rate of reaction for zero-order reaction is equal to | 2. Rate law |
| C. Units of rate constant for zero-order reaction is same as that of | 3. Order of slowest step |
| D. Order of a complex reaction is determined by | 4. Rate of reaction |
Codes
| A | B | C | D | |
| 1. | 3 | 4 | 1 | 2 |
| 2. | 1 | 2 | 3 | 4 |
| 3. | 2 | 1 | 4 | 3 |
| 4. | 4 | 1 | 3 | 2 |
Subtopic: Order, Molecularity and Mechanism |
84%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
© 2024 GoodEd Technologies Pvt. Ltd.