Dependence of Rate on Temperature
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CHXII04:CHEMICAL KINETICS

320239 The minimum energy required for a reaction to take place is called

1 Internal energy
2 Threshold energy
3 Activation energy
4 Free energy
CHXII04:CHEMICAL KINETICS

320240 Which among the following equation represents Arrhenius equation?

1 \({\rm{k = A}}_{\rm{e}}^{{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}\)
2 \({\rm{k = A}}{\rm{.}}{{\rm{e}}^{{\rm{RT/}}{{\rm{E}}_{\rm{a}}}}}\)
3 \({\rm{k = }}\frac{{\rm{A}}}{{{{\rm{e}}^{{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}}}}\)
4 \({\rm{k = }}\frac{{\rm{A}}}{{{{\rm{e}}^{{\rm{RT/}}{{\rm{E}}_{\rm{a}}}}}}}\)
CHXII04:CHEMICAL KINETICS

320241 A reactant (1) forms two products

\({\text{A}}\xrightarrow{{{{\text{k}}_{\text{1}}}}}{\text{B}}\), Activation energy \({{\text{E}}_{{{\text{a}}_{\text{1}}}}}\)

\({\text{A}}\xrightarrow{{{{\text{k}}_{\text{2}}}}}{\text{C}}\), Activation energy \({{\text{E}}_{{{\text{a}}_{\text{2}}}}}\)

If \({\left( {{{\text{E}}_{\text{a}}}} \right)_{\text{2}}}{\text{ = 2}}{\left( {{{\text{E}}_{\text{a}}}} \right)_{\text{1}}}\) then \({{\text{k}}_{\text{1}}}\,\,{\text{and}}\,\,{{\text{k}}_{\text{2}}}\) are related as

1 \({{\text{k}}_{\text{2}}}{\text{ = }}{{\text{k}}_{\text{1}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{2}}}}}{\text{/RT}}}}\)
2 \({{\text{k}}_{\text{1}}}{\text{ = }}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{1}}}}}{\text{/RT}}}}\)
3 \({{\text{k}}_{\text{1}}}{\text{ = A}}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{1}}}}}{\text{/RT}}}}\)
4 \({{\text{k}}_{\text{1}}}{\text{ = 2}}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{2}}}}}{\text{/RT}}}}\)
CHXII04:CHEMICAL KINETICS

320242 Which plots will give the value of activation energy?

1 k Vs T
2 \({\rm{1/k}}\,\,{\rm{Vs}}\,\,{\rm{T}}\)
3 \({\rm{ln}}\,\,{\rm{k}}\,\,{\rm{Vs}}\,\,{\rm{T}}\)
4 \({\rm{ln}}\,\,{\rm{k}}\,\,{\rm{Vs}}\,\,{\rm{1/T}}\)
CHXII04:CHEMICAL KINETICS

320243 The activation energy for a chemical reaction mainly depends upon

1 Temperature
2 Nature of reacting species
3 Concentration of the reacting species
4 Collision frequency
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CHXII04:CHEMICAL KINETICS

320239 The minimum energy required for a reaction to take place is called

1 Internal energy
2 Threshold energy
3 Activation energy
4 Free energy
CHXII04:CHEMICAL KINETICS

320240 Which among the following equation represents Arrhenius equation?

1 \({\rm{k = A}}_{\rm{e}}^{{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}\)
2 \({\rm{k = A}}{\rm{.}}{{\rm{e}}^{{\rm{RT/}}{{\rm{E}}_{\rm{a}}}}}\)
3 \({\rm{k = }}\frac{{\rm{A}}}{{{{\rm{e}}^{{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}}}}\)
4 \({\rm{k = }}\frac{{\rm{A}}}{{{{\rm{e}}^{{\rm{RT/}}{{\rm{E}}_{\rm{a}}}}}}}\)
CHXII04:CHEMICAL KINETICS

320241 A reactant (1) forms two products

\({\text{A}}\xrightarrow{{{{\text{k}}_{\text{1}}}}}{\text{B}}\), Activation energy \({{\text{E}}_{{{\text{a}}_{\text{1}}}}}\)

\({\text{A}}\xrightarrow{{{{\text{k}}_{\text{2}}}}}{\text{C}}\), Activation energy \({{\text{E}}_{{{\text{a}}_{\text{2}}}}}\)

If \({\left( {{{\text{E}}_{\text{a}}}} \right)_{\text{2}}}{\text{ = 2}}{\left( {{{\text{E}}_{\text{a}}}} \right)_{\text{1}}}\) then \({{\text{k}}_{\text{1}}}\,\,{\text{and}}\,\,{{\text{k}}_{\text{2}}}\) are related as

1 \({{\text{k}}_{\text{2}}}{\text{ = }}{{\text{k}}_{\text{1}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{2}}}}}{\text{/RT}}}}\)
2 \({{\text{k}}_{\text{1}}}{\text{ = }}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{1}}}}}{\text{/RT}}}}\)
3 \({{\text{k}}_{\text{1}}}{\text{ = A}}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{1}}}}}{\text{/RT}}}}\)
4 \({{\text{k}}_{\text{1}}}{\text{ = 2}}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{2}}}}}{\text{/RT}}}}\)
CHXII04:CHEMICAL KINETICS

320242 Which plots will give the value of activation energy?

1 k Vs T
2 \({\rm{1/k}}\,\,{\rm{Vs}}\,\,{\rm{T}}\)
3 \({\rm{ln}}\,\,{\rm{k}}\,\,{\rm{Vs}}\,\,{\rm{T}}\)
4 \({\rm{ln}}\,\,{\rm{k}}\,\,{\rm{Vs}}\,\,{\rm{1/T}}\)
CHXII04:CHEMICAL KINETICS

320243 The activation energy for a chemical reaction mainly depends upon

1 Temperature
2 Nature of reacting species
3 Concentration of the reacting species
4 Collision frequency
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CHXII04:CHEMICAL KINETICS

320239 The minimum energy required for a reaction to take place is called

1 Internal energy
2 Threshold energy
3 Activation energy
4 Free energy
CHXII04:CHEMICAL KINETICS

320240 Which among the following equation represents Arrhenius equation?

1 \({\rm{k = A}}_{\rm{e}}^{{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}\)
2 \({\rm{k = A}}{\rm{.}}{{\rm{e}}^{{\rm{RT/}}{{\rm{E}}_{\rm{a}}}}}\)
3 \({\rm{k = }}\frac{{\rm{A}}}{{{{\rm{e}}^{{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}}}}\)
4 \({\rm{k = }}\frac{{\rm{A}}}{{{{\rm{e}}^{{\rm{RT/}}{{\rm{E}}_{\rm{a}}}}}}}\)
CHXII04:CHEMICAL KINETICS

320241 A reactant (1) forms two products

\({\text{A}}\xrightarrow{{{{\text{k}}_{\text{1}}}}}{\text{B}}\), Activation energy \({{\text{E}}_{{{\text{a}}_{\text{1}}}}}\)

\({\text{A}}\xrightarrow{{{{\text{k}}_{\text{2}}}}}{\text{C}}\), Activation energy \({{\text{E}}_{{{\text{a}}_{\text{2}}}}}\)

If \({\left( {{{\text{E}}_{\text{a}}}} \right)_{\text{2}}}{\text{ = 2}}{\left( {{{\text{E}}_{\text{a}}}} \right)_{\text{1}}}\) then \({{\text{k}}_{\text{1}}}\,\,{\text{and}}\,\,{{\text{k}}_{\text{2}}}\) are related as

1 \({{\text{k}}_{\text{2}}}{\text{ = }}{{\text{k}}_{\text{1}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{2}}}}}{\text{/RT}}}}\)
2 \({{\text{k}}_{\text{1}}}{\text{ = }}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{1}}}}}{\text{/RT}}}}\)
3 \({{\text{k}}_{\text{1}}}{\text{ = A}}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{1}}}}}{\text{/RT}}}}\)
4 \({{\text{k}}_{\text{1}}}{\text{ = 2}}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{2}}}}}{\text{/RT}}}}\)
CHXII04:CHEMICAL KINETICS

320242 Which plots will give the value of activation energy?

1 k Vs T
2 \({\rm{1/k}}\,\,{\rm{Vs}}\,\,{\rm{T}}\)
3 \({\rm{ln}}\,\,{\rm{k}}\,\,{\rm{Vs}}\,\,{\rm{T}}\)
4 \({\rm{ln}}\,\,{\rm{k}}\,\,{\rm{Vs}}\,\,{\rm{1/T}}\)
CHXII04:CHEMICAL KINETICS

320243 The activation energy for a chemical reaction mainly depends upon

1 Temperature
2 Nature of reacting species
3 Concentration of the reacting species
4 Collision frequency
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CHXII04:CHEMICAL KINETICS

320239 The minimum energy required for a reaction to take place is called

1 Internal energy
2 Threshold energy
3 Activation energy
4 Free energy
CHXII04:CHEMICAL KINETICS

320240 Which among the following equation represents Arrhenius equation?

1 \({\rm{k = A}}_{\rm{e}}^{{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}\)
2 \({\rm{k = A}}{\rm{.}}{{\rm{e}}^{{\rm{RT/}}{{\rm{E}}_{\rm{a}}}}}\)
3 \({\rm{k = }}\frac{{\rm{A}}}{{{{\rm{e}}^{{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}}}}\)
4 \({\rm{k = }}\frac{{\rm{A}}}{{{{\rm{e}}^{{\rm{RT/}}{{\rm{E}}_{\rm{a}}}}}}}\)
CHXII04:CHEMICAL KINETICS

320241 A reactant (1) forms two products

\({\text{A}}\xrightarrow{{{{\text{k}}_{\text{1}}}}}{\text{B}}\), Activation energy \({{\text{E}}_{{{\text{a}}_{\text{1}}}}}\)

\({\text{A}}\xrightarrow{{{{\text{k}}_{\text{2}}}}}{\text{C}}\), Activation energy \({{\text{E}}_{{{\text{a}}_{\text{2}}}}}\)

If \({\left( {{{\text{E}}_{\text{a}}}} \right)_{\text{2}}}{\text{ = 2}}{\left( {{{\text{E}}_{\text{a}}}} \right)_{\text{1}}}\) then \({{\text{k}}_{\text{1}}}\,\,{\text{and}}\,\,{{\text{k}}_{\text{2}}}\) are related as

1 \({{\text{k}}_{\text{2}}}{\text{ = }}{{\text{k}}_{\text{1}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{2}}}}}{\text{/RT}}}}\)
2 \({{\text{k}}_{\text{1}}}{\text{ = }}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{1}}}}}{\text{/RT}}}}\)
3 \({{\text{k}}_{\text{1}}}{\text{ = A}}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{1}}}}}{\text{/RT}}}}\)
4 \({{\text{k}}_{\text{1}}}{\text{ = 2}}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{2}}}}}{\text{/RT}}}}\)
CHXII04:CHEMICAL KINETICS

320242 Which plots will give the value of activation energy?

1 k Vs T
2 \({\rm{1/k}}\,\,{\rm{Vs}}\,\,{\rm{T}}\)
3 \({\rm{ln}}\,\,{\rm{k}}\,\,{\rm{Vs}}\,\,{\rm{T}}\)
4 \({\rm{ln}}\,\,{\rm{k}}\,\,{\rm{Vs}}\,\,{\rm{1/T}}\)
CHXII04:CHEMICAL KINETICS

320243 The activation energy for a chemical reaction mainly depends upon

1 Temperature
2 Nature of reacting species
3 Concentration of the reacting species
4 Collision frequency
NEET DIGITAL LIBRARY
CHXII04:CHEMICAL KINETICS

320239 The minimum energy required for a reaction to take place is called

1 Internal energy
2 Threshold energy
3 Activation energy
4 Free energy
CHXII04:CHEMICAL KINETICS

320240 Which among the following equation represents Arrhenius equation?

1 \({\rm{k = A}}_{\rm{e}}^{{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}\)
2 \({\rm{k = A}}{\rm{.}}{{\rm{e}}^{{\rm{RT/}}{{\rm{E}}_{\rm{a}}}}}\)
3 \({\rm{k = }}\frac{{\rm{A}}}{{{{\rm{e}}^{{{\rm{E}}_{\rm{a}}}{\rm{/RT}}}}}}\)
4 \({\rm{k = }}\frac{{\rm{A}}}{{{{\rm{e}}^{{\rm{RT/}}{{\rm{E}}_{\rm{a}}}}}}}\)
CHXII04:CHEMICAL KINETICS

320241 A reactant (1) forms two products

\({\text{A}}\xrightarrow{{{{\text{k}}_{\text{1}}}}}{\text{B}}\), Activation energy \({{\text{E}}_{{{\text{a}}_{\text{1}}}}}\)

\({\text{A}}\xrightarrow{{{{\text{k}}_{\text{2}}}}}{\text{C}}\), Activation energy \({{\text{E}}_{{{\text{a}}_{\text{2}}}}}\)

If \({\left( {{{\text{E}}_{\text{a}}}} \right)_{\text{2}}}{\text{ = 2}}{\left( {{{\text{E}}_{\text{a}}}} \right)_{\text{1}}}\) then \({{\text{k}}_{\text{1}}}\,\,{\text{and}}\,\,{{\text{k}}_{\text{2}}}\) are related as

1 \({{\text{k}}_{\text{2}}}{\text{ = }}{{\text{k}}_{\text{1}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{2}}}}}{\text{/RT}}}}\)
2 \({{\text{k}}_{\text{1}}}{\text{ = }}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{1}}}}}{\text{/RT}}}}\)
3 \({{\text{k}}_{\text{1}}}{\text{ = A}}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{1}}}}}{\text{/RT}}}}\)
4 \({{\text{k}}_{\text{1}}}{\text{ = 2}}{{\text{k}}_{\text{2}}}{{\text{e}}^{{{\text{E}}_{{{\text{a}}_{\text{2}}}}}{\text{/RT}}}}\)
CHXII04:CHEMICAL KINETICS

320242 Which plots will give the value of activation energy?

1 k Vs T
2 \({\rm{1/k}}\,\,{\rm{Vs}}\,\,{\rm{T}}\)
3 \({\rm{ln}}\,\,{\rm{k}}\,\,{\rm{Vs}}\,\,{\rm{T}}\)
4 \({\rm{ln}}\,\,{\rm{k}}\,\,{\rm{Vs}}\,\,{\rm{1/T}}\)
CHXII04:CHEMICAL KINETICS

320243 The activation energy for a chemical reaction mainly depends upon

1 Temperature
2 Nature of reacting species
3 Concentration of the reacting species
4 Collision frequency