question_answer7) What will be the effect of temperature on rate constant?
View Answer play_arrowquestion_answer14) Mention the factors that effect that rate of a chemical reaction.
View Answer play_arrowt/s | 0 | 30 | 60 | 90 |
[Ester]/M | 0.55 | 0.31 | 0.17 | 0.085 |
A/M | 0.20 | 0.20 | 0.40 |
B/M | 0.30 | 0.10 | 0.05 |
Experiement | [A]M | [B]M | Initial rate of formation of |
I | 0.1 | 0.1 | |
II | 0.3 | 0.2 | |
III | 0.3 | 0.4 | |
IV | 0.4 | 0.1 |
Experiment | [A]M | [B]M | Initial rate of formation of |
I | 0.1 | 0.1 | |
II | - | 0.2 | |
III | 0.4 | 0.4 | - |
IV | - | 0.2 |
question_answer24) The experimental data for decomposition of N2O5 [2N2O5 4NO2 + O2]
t/s | |
0 400 800 1200 1600 2000 2400 2800 3200 | 1.63 1.36 1.14 0.93 0.78 0.65 0.53 0.43 0.35 |
t (sec) | 0 | 360 | 720 |
Pressure (atm) | 35.0 | 54.0 | 63.0 |
t (sec) | 0 | 100 |
Total pressure (atm) | 0.5 | 0.6 |
0 | 20 | 40 | 60 | 80 | |
0.0787 | 1.70 | 25.7 | 178 | 2140 |
Experiment | Initial concentration of [A]/molL-1 | Initial concentration of [B]/molL-1 | Initial concentration of [CJ/moll-1s-1 |
1. 2. 3. | 0.30 0.30 0.60 | 0.30 0.60 0.30 | 0.10 0.40 0.20 |
question_answer70) Which of the following graphs is correct for a zero order reaction?
View Answer play_arrowquestion_answer71) Which of the following graphs is correct for a first order reaction?
View Answer play_arrowquestion_answer74) How can you determine the rate law of the following reaction?
View Answer play_arrowquestion_answer75) For which type of reactions, order and molecularity have the same value?
View Answer play_arrowquestion_answer80) For a zero order reaction will the molecularity be equal to zero? Explain.
View Answer play_arrowquestion_answer83) Why does the rate of a reaction increase with rise in temperature?
View Answer play_arrowquestion_answer89) Why can't molecularity of any reaction be equal to zero?
View Answer play_arrowquestion_answer93) Match the statements given in Column I and Column II.
Column 1 | Column 11 | |
A. B. C. D. E. F. | Catalyst alters the rate of reaction Molecularity Second half-life of first order reaction Energetically favorable reactions are sometimes slow Area under the Maxwell, Boltzmann curve is constant | 1.Cannot be fraction or zero 2. Proper orientation is not there 3.By lowering the activation energy 4.Is same as the first 5. Total probability is one 6. Refers to the fraction of molecules with energy equal to or greater than activation energy |
question_answer94) Match the items of Column I and Column II.
Column 1 | Column 11 | |
A. | Diamond | 1. Short interval of time |
B. | Instantaneous rate | 2. Ordinarily rate of conversion is imperceptible |
C. | Average rate | 3. Long duration of time |
question_answer95) Match the items of Column I and Column II.
Column 1 | Column 11 | |
A. | Mathematical expression for 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 |
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