Collision Theory of Chemical Reaction
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CHXII04:CHEMICAL KINETICS

320093 Assertion :
According to transition state theory, for the formation of an activated complex, one of the vibrational degree of freedom is converted into a translational degree of freedom.
Reason :
Energy of the activated complex is higher than energy of reactant molecules.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
AIIMS - 2006
CHXII04:CHEMICAL KINETICS

320094 The potential energy diagram for a reaction \(\mathrm{R} \rightarrow \mathrm{P}\) is given below.
supporting img
\(\Delta {\text{HO}}\) of the reaction corresponding to the energy.

1 \({\text{a}}\)
2 \({\text{b}}\)
3 \({\text{c}}\)
4 \({\text{a + b}}\)
AIIMS - 2014
CHXII04:CHEMICAL KINETICS

320095 Rate of a general reaction \(A+B \rightarrow\) products can be expressed as follows on the basis of collision theory. Rate \({\rm{ = }}{{\rm{Z}}_{{\rm{AB}}}}{{\rm{e}}^{{\rm{ - }}{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}}\)
Which of the following statements is not correct for the above expression?

1 \(\mathrm{Z}\) is collision frequency and is equal to number of collisions per second per unit volume of the reaction mixture.
2 \(e^{-E_{a} / R T}\) is the dfraction of the molecules with kinetic energy equal to or greater than \(E_{a}\).
3 \(E_{a}\) is activation energy of the reaction
4 All the molecules which collide with one other are effecctive collisions.
CHXII04:CHEMICAL KINETICS

320096 Assertion :
According to transition state theory, for the formation of an activated complex, one of the vibrational degrees of freedom is converted into a translational degree of freedom.
Reason :
Energy of the activated complex is higher than the energy of reactant molecules.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII04:CHEMICAL KINETICS

320097 Which of the following statements is incorrect about the collision theory of chemical reaction?

1 If considers reacting molecules or atoms to be hard spheres and ignores their structural features.
2 Number of effective collisions determines the rate of reaction.
3 Collision of atoms or molecules possessing sufficient threshold energy results into the product formation.
4 Molecules should collide with sufficient threshold energy and proper orientation for the collision to be effective.
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CHXII04:CHEMICAL KINETICS

320093 Assertion :
According to transition state theory, for the formation of an activated complex, one of the vibrational degree of freedom is converted into a translational degree of freedom.
Reason :
Energy of the activated complex is higher than energy of reactant molecules.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
AIIMS - 2006
CHXII04:CHEMICAL KINETICS

320094 The potential energy diagram for a reaction \(\mathrm{R} \rightarrow \mathrm{P}\) is given below.
supporting img
\(\Delta {\text{HO}}\) of the reaction corresponding to the energy.

1 \({\text{a}}\)
2 \({\text{b}}\)
3 \({\text{c}}\)
4 \({\text{a + b}}\)
AIIMS - 2014
CHXII04:CHEMICAL KINETICS

320095 Rate of a general reaction \(A+B \rightarrow\) products can be expressed as follows on the basis of collision theory. Rate \({\rm{ = }}{{\rm{Z}}_{{\rm{AB}}}}{{\rm{e}}^{{\rm{ - }}{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}}\)
Which of the following statements is not correct for the above expression?

1 \(\mathrm{Z}\) is collision frequency and is equal to number of collisions per second per unit volume of the reaction mixture.
2 \(e^{-E_{a} / R T}\) is the dfraction of the molecules with kinetic energy equal to or greater than \(E_{a}\).
3 \(E_{a}\) is activation energy of the reaction
4 All the molecules which collide with one other are effecctive collisions.
CHXII04:CHEMICAL KINETICS

320096 Assertion :
According to transition state theory, for the formation of an activated complex, one of the vibrational degrees of freedom is converted into a translational degree of freedom.
Reason :
Energy of the activated complex is higher than the energy of reactant molecules.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII04:CHEMICAL KINETICS

320097 Which of the following statements is incorrect about the collision theory of chemical reaction?

1 If considers reacting molecules or atoms to be hard spheres and ignores their structural features.
2 Number of effective collisions determines the rate of reaction.
3 Collision of atoms or molecules possessing sufficient threshold energy results into the product formation.
4 Molecules should collide with sufficient threshold energy and proper orientation for the collision to be effective.
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CHXII04:CHEMICAL KINETICS

320093 Assertion :
According to transition state theory, for the formation of an activated complex, one of the vibrational degree of freedom is converted into a translational degree of freedom.
Reason :
Energy of the activated complex is higher than energy of reactant molecules.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
AIIMS - 2006
CHXII04:CHEMICAL KINETICS

320094 The potential energy diagram for a reaction \(\mathrm{R} \rightarrow \mathrm{P}\) is given below.
supporting img
\(\Delta {\text{HO}}\) of the reaction corresponding to the energy.

1 \({\text{a}}\)
2 \({\text{b}}\)
3 \({\text{c}}\)
4 \({\text{a + b}}\)
AIIMS - 2014
CHXII04:CHEMICAL KINETICS

320095 Rate of a general reaction \(A+B \rightarrow\) products can be expressed as follows on the basis of collision theory. Rate \({\rm{ = }}{{\rm{Z}}_{{\rm{AB}}}}{{\rm{e}}^{{\rm{ - }}{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}}\)
Which of the following statements is not correct for the above expression?

1 \(\mathrm{Z}\) is collision frequency and is equal to number of collisions per second per unit volume of the reaction mixture.
2 \(e^{-E_{a} / R T}\) is the dfraction of the molecules with kinetic energy equal to or greater than \(E_{a}\).
3 \(E_{a}\) is activation energy of the reaction
4 All the molecules which collide with one other are effecctive collisions.
CHXII04:CHEMICAL KINETICS

320096 Assertion :
According to transition state theory, for the formation of an activated complex, one of the vibrational degrees of freedom is converted into a translational degree of freedom.
Reason :
Energy of the activated complex is higher than the energy of reactant molecules.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII04:CHEMICAL KINETICS

320097 Which of the following statements is incorrect about the collision theory of chemical reaction?

1 If considers reacting molecules or atoms to be hard spheres and ignores their structural features.
2 Number of effective collisions determines the rate of reaction.
3 Collision of atoms or molecules possessing sufficient threshold energy results into the product formation.
4 Molecules should collide with sufficient threshold energy and proper orientation for the collision to be effective.
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CHXII04:CHEMICAL KINETICS

320093 Assertion :
According to transition state theory, for the formation of an activated complex, one of the vibrational degree of freedom is converted into a translational degree of freedom.
Reason :
Energy of the activated complex is higher than energy of reactant molecules.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
AIIMS - 2006
CHXII04:CHEMICAL KINETICS

320094 The potential energy diagram for a reaction \(\mathrm{R} \rightarrow \mathrm{P}\) is given below.
supporting img
\(\Delta {\text{HO}}\) of the reaction corresponding to the energy.

1 \({\text{a}}\)
2 \({\text{b}}\)
3 \({\text{c}}\)
4 \({\text{a + b}}\)
AIIMS - 2014
CHXII04:CHEMICAL KINETICS

320095 Rate of a general reaction \(A+B \rightarrow\) products can be expressed as follows on the basis of collision theory. Rate \({\rm{ = }}{{\rm{Z}}_{{\rm{AB}}}}{{\rm{e}}^{{\rm{ - }}{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}}\)
Which of the following statements is not correct for the above expression?

1 \(\mathrm{Z}\) is collision frequency and is equal to number of collisions per second per unit volume of the reaction mixture.
2 \(e^{-E_{a} / R T}\) is the dfraction of the molecules with kinetic energy equal to or greater than \(E_{a}\).
3 \(E_{a}\) is activation energy of the reaction
4 All the molecules which collide with one other are effecctive collisions.
CHXII04:CHEMICAL KINETICS

320096 Assertion :
According to transition state theory, for the formation of an activated complex, one of the vibrational degrees of freedom is converted into a translational degree of freedom.
Reason :
Energy of the activated complex is higher than the energy of reactant molecules.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII04:CHEMICAL KINETICS

320097 Which of the following statements is incorrect about the collision theory of chemical reaction?

1 If considers reacting molecules or atoms to be hard spheres and ignores their structural features.
2 Number of effective collisions determines the rate of reaction.
3 Collision of atoms or molecules possessing sufficient threshold energy results into the product formation.
4 Molecules should collide with sufficient threshold energy and proper orientation for the collision to be effective.
NCERT Exemplar
Join With Us for More Updates
CHXII04:CHEMICAL KINETICS

320093 Assertion :
According to transition state theory, for the formation of an activated complex, one of the vibrational degree of freedom is converted into a translational degree of freedom.
Reason :
Energy of the activated complex is higher than energy of reactant molecules.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
AIIMS - 2006
CHXII04:CHEMICAL KINETICS

320094 The potential energy diagram for a reaction \(\mathrm{R} \rightarrow \mathrm{P}\) is given below.
supporting img
\(\Delta {\text{HO}}\) of the reaction corresponding to the energy.

1 \({\text{a}}\)
2 \({\text{b}}\)
3 \({\text{c}}\)
4 \({\text{a + b}}\)
AIIMS - 2014
CHXII04:CHEMICAL KINETICS

320095 Rate of a general reaction \(A+B \rightarrow\) products can be expressed as follows on the basis of collision theory. Rate \({\rm{ = }}{{\rm{Z}}_{{\rm{AB}}}}{{\rm{e}}^{{\rm{ - }}{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}}\)
Which of the following statements is not correct for the above expression?

1 \(\mathrm{Z}\) is collision frequency and is equal to number of collisions per second per unit volume of the reaction mixture.
2 \(e^{-E_{a} / R T}\) is the dfraction of the molecules with kinetic energy equal to or greater than \(E_{a}\).
3 \(E_{a}\) is activation energy of the reaction
4 All the molecules which collide with one other are effecctive collisions.
CHXII04:CHEMICAL KINETICS

320096 Assertion :
According to transition state theory, for the formation of an activated complex, one of the vibrational degrees of freedom is converted into a translational degree of freedom.
Reason :
Energy of the activated complex is higher than the energy of reactant molecules.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII04:CHEMICAL KINETICS

320097 Which of the following statements is incorrect about the collision theory of chemical reaction?

1 If considers reacting molecules or atoms to be hard spheres and ignores their structural features.
2 Number of effective collisions determines the rate of reaction.
3 Collision of atoms or molecules possessing sufficient threshold energy results into the product formation.
4 Molecules should collide with sufficient threshold energy and proper orientation for the collision to be effective.
NCERT Exemplar