Chapter 17 – Chemical Kinetics
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Two reactions R1 and R2 have identical pre-exponential factors. Activation energy of R1 exceeds that of R2 by 10 kJ mol^–1. If k1 and k2 are rate constants for reactions R1 and R2 respectively at 300 K, then ln(k2/k1) is equal to- (R = 8.314 J mol^–1K^–1)
02
Jun
Two reactions R1 and R2 have identical pre-exponential factors. Activation energy of R1 exceeds that of R2 by 10 kJ mol^–1. If k1 and k2 are rate constants for reactions R1 and R2 respectively at 300 K, then ln(k2/k1) is equal to- (R = 8.314 J mol^–1K^–1) A2 k1⇔k-1 2A For an elementary chemical reaction [...]
At 518^∘C the rate of decomposition of a sample of gaseous acetaldehyde initially at a pressure of 363 Torr, was 1.00 Torr s^–1 when 5% had reacted and 0.5 Torr s^–1 when 33% had reacted. The order of the reaction is.
02
Jun
At 518^∘C the rate of decomposition of a sample of gaseous acetaldehyde initially at a pressure of 363 Torr, was 1.00 Torr s^–1 when 5% had reacted and 0.5 Torr s^–1 when 33% had reacted. The order of the reaction is. At 518^∘C the rate of decomposition of a sample of gaseous acetaldehyde initially at [...]
The following results were obtained during kinetic studies of the reaction, 2A+B→Products The time (in minutes) required to consume half of A is
02
Jun
The following results were obtained during kinetic studies of the reaction, 2A+B→Products The time (in minutes) required to consume half of A is 2A+B→Products The time (in minutes) required to consume half of A is The following results were obtained during kinetic studies of the reaction June 2, 2021 Category: Chapter 17 - Chemical Kinetics [...]
Which of the following lines correctly show the temperature dependence of equilibrium constant K, for an exothermic reaction?
02
Jun
Which of the following lines correctly show the temperature dependence of equilibrium constant K, for an exothermic reaction? for an exothermic reaction? Which of the following lines correctly show the temperature dependence of equilibrium constant K June 2, 2021 Category: Chapter 17 - Chemical Kinetics , Chemistry , JEE Adv and Mains Chemistry 41 Years [...]
For the reaction, 2A + B → products, when the concentrations of A and B both were doubled, the rate of the reaction increased from 0.3 mol L^−1s^−1 to 2.4 mol L^−1s^−1. When the concentration of A alone is doubled, the rate increased from 0.3 mol L^−1s^−1 to 0.6 mol L^−1s^−1. Which one of the following statements is correct ?
02
Jun
For the reaction, 2A + B → products, when the concentrations of A and B both were doubled, the rate of the reaction increased from 0.3 mol L^−1s^−1 to 2.4 mol L^−1s^−1. When the concentration of A alone is doubled, the rate increased from 0.3 mol L^−1s^−1 to 0.6 mol L^−1s^−1. Which one of the [...]
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2A + B → products ,
For the reaction ,
the rate increased from 0.3 mol L^−1s^−1 to 0.6 mol L^−1s^−1. Which one of the following statements is correct ? ,
the rate of the reaction increased from 0.3 mol L^−1s^−1 to 2.4 mol L^−1s^−1. When the concentration of A alone is doubled ,
when the concentrations of A and B both were doubled ,
Consider the given plots for a reaction obeying Arrhenius equation (0∘C is greater then Tis greater then 300∘C): ( K and Ea are rate constant and activation energy, respectively).
02
Jun
Consider the given plots for a reaction obeying Arrhenius equation (0∘C is greater then Tis greater then 300∘C): ( K and Ea are rate constant and activation energy, respectively). Consider the given plots for a reaction obeying Arrhenius equation (0∘C is greater then Tis greater then 300∘C): ( K and Ea are rate constant and [...]
For an elementary chemical reaction, A2 k1⇔k-1 2A, the expression for d[A]/dt is.
02
Jun
For an elementary chemical reaction, A2 k1⇔k-1 2A, the expression for d[A]/dt is. A2 k1⇔k-1 2A For an elementary chemical reaction the expression for d[A]/dt is. June 2, 2021 Category: Chapter 17 - Chemical Kinetics , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 ,
If a reaction follows the Arrhenius equation, the plot lnK vs (RT)/1 gives a straight line with a gradient (−y) unit. The energy required to activate the reactant is
02
Jun
If a reaction follows the Arrhenius equation, the plot lnK vs (RT)/1 gives a straight line with a gradient (−y) unit. The energy required to activate the reactant is If a reaction follows the Arrhenius equation the plot lnK vs (RT)/1 gives a straight line with a gradient (−y) unit. The energy required to activate [...]
The reaction 2X→B is a zeroth order reaction .If the initial concentration of X is 0.2 M, the half-life is 6 h. When the initial concentration of X is 0.5 M, the time required to reach its final concentration of 0.2 M will be :
02
Jun
The reaction 2X→B is a zeroth order reaction .If the initial concentration of X is 0.2 M, the half-life is 6 h. When the initial concentration of X is 0.5 M, the time required to reach its final concentration of 0.2 M will be : the half-life is 6 h. When the initial concentration of [...]
Decomposition of X exhibits a rate constant of 0.05μg/year. How many years are required for the decomposition of 5μg of X into 2.5μg?
02
Jun
Decomposition of X exhibits a rate constant of 0.05μg/year. How many years are required for the decomposition of 5μg of X into 2.5μg? Decomposition of X exhibits a rate constant of 0.05μg/year. How many years are required for the decomposition of 5μg of X into 2.5μg? June 2, 2021 Category: Chapter 17 - Chemical Kinetics [...]