Chapter 7 – Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2)
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For a complex reaction A→k products Ea1=180kJ/mole,Ea2=80kJ/mol,Ea3=50kJ/mol Overall rate constant k is related to individual rate constant by the equation k=(k1k2/k3)^2/3. Activation energy (kJ/mol) for the overall reaction is :
03
Jun
For a complex reaction A→k products Ea1=180kJ/mole,Ea2=80kJ/mol,Ea3=50kJ/mol Overall rate constant k is related to individual rate constant by the equation k=(k1k2/k3)^2/3. Activation energy (kJ/mol) for the overall reaction is : Ea2=80kJ/mol Ea3=50kJ/mol Overall rate constant k is related to individual rate constant by the equation k=(k1k2/k3)^2/3. Activation energy (kJ/mol) for the overall reaction is : [...]
Rate constant for a chemical reaction taking place at 500K is expressed as K=A.e^−1000 The activation energy of the reaction is :
03
Jun
Rate constant for a chemical reaction taking place at 500K is expressed as K=A.e^−1000 The activation energy of the reaction is : Rate constant for a chemical reaction taking place at 500K is expressed as K=A.e^−1000 The activation energy of the reaction is : June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear [...]
The plot of in k verses 1/T is linear with slope of :
03
Jun
The plot of in k verses 1/T is linear with slope of : The plot of in k verses 1/T is linear with slope of : June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
k35 degree/ k34 degree > 1, means that
03
Jun
k35 degree/ k34 degree > 1, means that k35 degree/ k34 degree > 1 means that June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Select the correct diagram for an endothermic reaction that proceeds through two steps with the second steps is rate determining :
03
Jun
Select the correct diagram for an endothermic reaction that proceeds through two steps with the second steps is rate determining : Select the correct diagram for an endothermic reaction that proceeds through two steps with the second steps is rate determining : June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level [...]
For an exothermic chemical process occurring in two steps as: (i) A+B→X (Slow); (ii) X→AB (Fast) The progress of the reaction can be best described by:
03
Jun
For an exothermic chemical process occurring in two steps as: (i) A+B→X (Slow); (ii) X→AB (Fast) The progress of the reaction can be best described by: For an exothermic chemical process occurring in two steps as: (i) A+B→X (Slow); (ii) X→AB (Fast) The progress of the reaction can be best described by: June 3, 2021 [...]
When the activation energies of the forward and backward reactions are equal, then :
03
Jun
When the activation energies of the forward and backward reactions are equal, then : then When the activation energies of the forward and backward reactions are equal June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
The activation energy of the reaction, A+B→C+D+38 kcal is 20 kcal. What would be the activation energy of the following reaction. C+D→A+B
03
Jun
The activation energy of the reaction, A+B→C+D+38 kcal is 20 kcal. What would be the activation energy of the following reaction. C+D→A+B A+B→C+D+38 kcal is 20 kcal. What would be the activation energy of the following reaction. C+D→A+B The activation energy of the reaction June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear [...]
For an endothermic reaction, where ΔH represents the enthalpy of reaction in kJmol^−1, the minimum value for the energy of activation will be
03
Jun
For an endothermic reaction, where ΔH represents the enthalpy of reaction in kJmol^−1, the minimum value for the energy of activation will be For an endothermic reaction the minimum value for the energy of activation will be where ΔH represents the enthalpy of reaction in kJmol^−1 June 3, 2021 Category: Chapter 7 - Chemical Kinetics [...]
A decomposes as . The rate of appearance of B, taking 2 M concentration of A, is equal to :
03
Jun
A decomposes as . The rate of appearance of B, taking 2 M concentration of A, is equal to : A decomposes as . The rate of appearance of B is equal to taking 2 M concentration of A June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level [...]