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)
Hint: The reaction can be unimolecular when one reacting species is involved
Since the reaction is a unimolecular reaction. Hence, in the slowest step i.e., in the rate-determining step, the only one reacting species is involved. Therefore, the order of reaction and molecularity of the slowest step are equal to one.
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