Chemistry 12 Chapter 4 Exemplar Solutions Chemical Kinetics Part 7 (For CBSE, ICSE, IAS, NET, NRA 2022)
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IV. Matching Type
Question 53:
Match the graph given in Column I with the order of reaction given in Column II. More than one item in Column I may link to the same item of Column II.
| Column I | Column II | ||
| (i) |  | ||
| (ii) |  | (a) | Its order |
| (iii) |  | (b) | Zero Order |
| (iv) |  |
Answer:
(i) ⇾ (a) (ii) ⇾ (b) (iii) ⇾ (b) (iv) ⇾ (a)
Question 54:
Match the statements given in Column I and Column II
| Column I | Column II | ||
| (i) | Catalyst alters the rate of reaction | (a) | cannot be fraction or zero |
| (ii) | Molecularity | (b) | proper orientation is not there always |
| (iii) | Second half- life of first order reaction | (c) | by lowering the activation energy |
| (iv) | (d) | is same as the first | |
| (v) | Energetically favourable reactions are sometimes slow | (e) | total probability is one |
| (vi) | Area under the Maxwell Boltzman curve is constant | (f) | refers to the fraction of molecules with energy equal to or greater than activation energy |
Answer:
(i) ⇾ (c) (ii) ⇾ (a) (iii) ⇾ (d) (iv) ⇾ (f) (v) ⇾ (b) (vi) ⇾ (e)
Question 55:
Match the items of Column I and Column II.
| Column I | Column II | ||
| (i) | Diamond | (a) | short interval of time |
| (ii) | Instantaneous rate | (b) | ordinarily rate of conversion is imperceptible |
| (iii) | Average rate | (c) | long duration of time |
Answer:
(i) ⇾ (b) (ii) ⇾ (a) (iii) ⇾ (c)
Question 53:
Match the items of Column I and Column II.
| Column I | Column II | ||
| (i) | Mathematical expression for rate of reaction | (a) | rate constant |
| (ii) | Rate of reaction for zero order reaction is equal to | (b) | rate law |
| (iii) | Units of rate constant for zero order reaction is same as that of | (c) | order of slowest step |
| (iv) | Order of a complex reaction is determined by | (d) | rate of a reaction |
Answer:
(i) ⇾ (b) (ii) ⇾ (a) (iii) ⇾ (d) (iv) ⇾ (d)