Chapter 7 – Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2)
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Identify the true statement(s) (a) A catalyst is chemically unchanged at the end of a reaction
03
Jun
Identify the true statement(s) (a) A catalyst is chemically unchanged at the end of a reaction Identify the true statement(s) (a) A catalyst is chemically unchanged at the end of a reaction June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Consider a reaction A + B gives C, in which both reactants are in the same phase, may be
03
Jun
Consider a reaction A + B gives C, in which both reactants are in the same phase, may be Consider a reaction A + B gives C in which both reactants are in the same phase may be June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) [...]
In the following gaseous phase first order reaction A(g)→2B(g)+C(g) initial pressure was found to be 400 mm of Hg and it changed to 1000 mm of Hg after 20 min. Then
03
Jun
In the following gaseous phase first order reaction A(g)→2B(g)+C(g) initial pressure was found to be 400 mm of Hg and it changed to 1000 mm of Hg after 20 min. Then In the following gaseous phase first order reaction A(g)→2B(g)+C(g) initial pressure was found to be 400 mm of Hg and it changed to 1000 [...]
Select the correct statement(s) : (a) Every substance that appears in the rate law of reaction must be reactant or product in that reaction
03
Jun
Select the correct statement(s) : (a) Every substance that appears in the rate law of reaction must be reactant or product in that reaction Select the correct statement(s) : (a) Every substance that appears in the rate law of reaction must be reactant or product in that reaction June 3, 2021 Category: Chapter 7 - [...]
Select the correct statement(s) : (a) When T gives infinite or Ea gives 0 then k = A
03
Jun
Select the correct statement(s) : (a) When T gives infinite or Ea gives 0 then k = A Select the correct statement(s) : (a) When T gives infinite or Ea gives 0 then k = A June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N [...]
Select the correct statement(s) : (a) The rate of reaction decreases with decreases in temperature.
03
Jun
Select the correct statement(s) : (a) The rate of reaction decreases with decreases in temperature. Select the correct statement(s) : (a) The rate of reaction decreases with decreases in temperature. June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Select the correct statement(s) : (a) The rate law elementary reaction; 2A gives B + C, must be r = k(A)^2
03
Jun
Select the correct statement(s) : (a) The rate law elementary reaction; 2A gives B + C, must be r = k(A)^2 must be r = k(A)^2 Select the correct statement(s) : (a) The rate law elementary reaction; 2A gives B + C June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level [...]
Select the correct statement(s) : (a) Rate constant are never negative.
03
Jun
Select the correct statement(s) : (a) Rate constant are never negative. Select the correct statement(s) : (a) Rate constant are never negative. June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Statement – 1 : Active complex is an intermediate product. Statement – 2 : Active complex is unstable with high vibrational energy.
03
Jun
Statement – 1 : Active complex is an intermediate product. Statement – 2 : Active complex is unstable with high vibrational energy. Statement - 1 : Active complex is an intermediate product. Statement - 2 : Active complex is unstable with high vibrational energy. June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear [...]
Statement – 1 : The pre-exponential factor A has the same units for all reactions. Statement – 2 : e^−Ea/RT has no unit.
03
Jun
Statement – 1 : The pre-exponential factor A has the same units for all reactions. Statement – 2 : e^−Ea/RT has no unit. Statement - 1 : The pre-exponential factor A has the same units for all reactions. Statement - 2 : e^−Ea/RT has no unit. June 3, 2021 Category: Chapter 7 - Chemical Kinetics [...]