Dependence of Rate on Concentration
CHXII04:CHEMICAL KINETICS

320154 The rate constant of a reaction increases with an increase in temperature because

1 The activation energy increases
2 The population of activated molecules increases
3 The activation energy decreases
4 The population of activated molecules decreases
CHXII04:CHEMICAL KINETICS

320155 The velocity constant

1 Is independent of temperature
2 Increases with the increase in temperature
3 Decreases with the increase in temperature
4 Changes during the progress of the reaction
CHXII04:CHEMICAL KINETICS

320156 For the reaction \(\mathrm{A}+\mathrm{B} \rightarrow\) product, rate of reaction is \(3.6 \times {10^{ - 2}}{\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}{\text{se}}{{\text{c}}^{{\text{ - 1}}}}\). When \([{\text{A}}] = 0.2 {\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}\) and\([{\text{B}}] = 0.1 {\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}\), find rate constant of reaction if it is second order with respective to both reactants.

1 \(18 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
2 \(90 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
3 \(72 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
4 \(36 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
CHXII04:CHEMICAL KINETICS

320157 For the following homogeneous reaction, the unit of rate constant is
\({\text{A}} + {\text{B}}\xrightarrow{{\text{k}}}{\text{C}}\)

1 \(\mathrm{mol}^{-1} \mathrm{Ls}^{-1}\)
2 \(\mathrm{s}^{-1}\)
3 \(\mathrm{s}\)
4 \(\mathrm{s}^{-1} \mathrm{~mol} \mathrm{~L}^{-1}\)
CHXII04:CHEMICAL KINETICS

320158 Which one of the following statement is incorrect?

1 Rate law expression cannot be written from the stoichiometric equation.
2 Law of mass action expression can be written from the balanced equation.
3 Specific rate of a reaction is constant at constant temperature.
4 Rate of reaction and rate constant have same units.
CHXII04:CHEMICAL KINETICS

320154 The rate constant of a reaction increases with an increase in temperature because

1 The activation energy increases
2 The population of activated molecules increases
3 The activation energy decreases
4 The population of activated molecules decreases
CHXII04:CHEMICAL KINETICS

320155 The velocity constant

1 Is independent of temperature
2 Increases with the increase in temperature
3 Decreases with the increase in temperature
4 Changes during the progress of the reaction
CHXII04:CHEMICAL KINETICS

320156 For the reaction \(\mathrm{A}+\mathrm{B} \rightarrow\) product, rate of reaction is \(3.6 \times {10^{ - 2}}{\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}{\text{se}}{{\text{c}}^{{\text{ - 1}}}}\). When \([{\text{A}}] = 0.2 {\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}\) and\([{\text{B}}] = 0.1 {\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}\), find rate constant of reaction if it is second order with respective to both reactants.

1 \(18 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
2 \(90 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
3 \(72 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
4 \(36 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
CHXII04:CHEMICAL KINETICS

320157 For the following homogeneous reaction, the unit of rate constant is
\({\text{A}} + {\text{B}}\xrightarrow{{\text{k}}}{\text{C}}\)

1 \(\mathrm{mol}^{-1} \mathrm{Ls}^{-1}\)
2 \(\mathrm{s}^{-1}\)
3 \(\mathrm{s}\)
4 \(\mathrm{s}^{-1} \mathrm{~mol} \mathrm{~L}^{-1}\)
CHXII04:CHEMICAL KINETICS

320158 Which one of the following statement is incorrect?

1 Rate law expression cannot be written from the stoichiometric equation.
2 Law of mass action expression can be written from the balanced equation.
3 Specific rate of a reaction is constant at constant temperature.
4 Rate of reaction and rate constant have same units.
CHXII04:CHEMICAL KINETICS

320154 The rate constant of a reaction increases with an increase in temperature because

1 The activation energy increases
2 The population of activated molecules increases
3 The activation energy decreases
4 The population of activated molecules decreases
CHXII04:CHEMICAL KINETICS

320155 The velocity constant

1 Is independent of temperature
2 Increases with the increase in temperature
3 Decreases with the increase in temperature
4 Changes during the progress of the reaction
CHXII04:CHEMICAL KINETICS

320156 For the reaction \(\mathrm{A}+\mathrm{B} \rightarrow\) product, rate of reaction is \(3.6 \times {10^{ - 2}}{\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}{\text{se}}{{\text{c}}^{{\text{ - 1}}}}\). When \([{\text{A}}] = 0.2 {\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}\) and\([{\text{B}}] = 0.1 {\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}\), find rate constant of reaction if it is second order with respective to both reactants.

1 \(18 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
2 \(90 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
3 \(72 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
4 \(36 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
CHXII04:CHEMICAL KINETICS

320157 For the following homogeneous reaction, the unit of rate constant is
\({\text{A}} + {\text{B}}\xrightarrow{{\text{k}}}{\text{C}}\)

1 \(\mathrm{mol}^{-1} \mathrm{Ls}^{-1}\)
2 \(\mathrm{s}^{-1}\)
3 \(\mathrm{s}\)
4 \(\mathrm{s}^{-1} \mathrm{~mol} \mathrm{~L}^{-1}\)
CHXII04:CHEMICAL KINETICS

320158 Which one of the following statement is incorrect?

1 Rate law expression cannot be written from the stoichiometric equation.
2 Law of mass action expression can be written from the balanced equation.
3 Specific rate of a reaction is constant at constant temperature.
4 Rate of reaction and rate constant have same units.
CHXII04:CHEMICAL KINETICS

320154 The rate constant of a reaction increases with an increase in temperature because

1 The activation energy increases
2 The population of activated molecules increases
3 The activation energy decreases
4 The population of activated molecules decreases
CHXII04:CHEMICAL KINETICS

320155 The velocity constant

1 Is independent of temperature
2 Increases with the increase in temperature
3 Decreases with the increase in temperature
4 Changes during the progress of the reaction
CHXII04:CHEMICAL KINETICS

320156 For the reaction \(\mathrm{A}+\mathrm{B} \rightarrow\) product, rate of reaction is \(3.6 \times {10^{ - 2}}{\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}{\text{se}}{{\text{c}}^{{\text{ - 1}}}}\). When \([{\text{A}}] = 0.2 {\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}\) and\([{\text{B}}] = 0.1 {\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}\), find rate constant of reaction if it is second order with respective to both reactants.

1 \(18 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
2 \(90 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
3 \(72 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
4 \(36 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
CHXII04:CHEMICAL KINETICS

320157 For the following homogeneous reaction, the unit of rate constant is
\({\text{A}} + {\text{B}}\xrightarrow{{\text{k}}}{\text{C}}\)

1 \(\mathrm{mol}^{-1} \mathrm{Ls}^{-1}\)
2 \(\mathrm{s}^{-1}\)
3 \(\mathrm{s}\)
4 \(\mathrm{s}^{-1} \mathrm{~mol} \mathrm{~L}^{-1}\)
CHXII04:CHEMICAL KINETICS

320158 Which one of the following statement is incorrect?

1 Rate law expression cannot be written from the stoichiometric equation.
2 Law of mass action expression can be written from the balanced equation.
3 Specific rate of a reaction is constant at constant temperature.
4 Rate of reaction and rate constant have same units.
CHXII04:CHEMICAL KINETICS

320154 The rate constant of a reaction increases with an increase in temperature because

1 The activation energy increases
2 The population of activated molecules increases
3 The activation energy decreases
4 The population of activated molecules decreases
CHXII04:CHEMICAL KINETICS

320155 The velocity constant

1 Is independent of temperature
2 Increases with the increase in temperature
3 Decreases with the increase in temperature
4 Changes during the progress of the reaction
CHXII04:CHEMICAL KINETICS

320156 For the reaction \(\mathrm{A}+\mathrm{B} \rightarrow\) product, rate of reaction is \(3.6 \times {10^{ - 2}}{\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}{\text{se}}{{\text{c}}^{{\text{ - 1}}}}\). When \([{\text{A}}] = 0.2 {\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}\) and\([{\text{B}}] = 0.1 {\text{mol d}}{{\text{m}}^{{\text{ - 3}}}}\), find rate constant of reaction if it is second order with respective to both reactants.

1 \(18 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
2 \(90 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
3 \(72 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
4 \(36 \mathrm{~mol}^{-3} \mathrm{dm}^{9} \mathrm{sec}^{-1}\)
CHXII04:CHEMICAL KINETICS

320157 For the following homogeneous reaction, the unit of rate constant is
\({\text{A}} + {\text{B}}\xrightarrow{{\text{k}}}{\text{C}}\)

1 \(\mathrm{mol}^{-1} \mathrm{Ls}^{-1}\)
2 \(\mathrm{s}^{-1}\)
3 \(\mathrm{s}\)
4 \(\mathrm{s}^{-1} \mathrm{~mol} \mathrm{~L}^{-1}\)
CHXII04:CHEMICAL KINETICS

320158 Which one of the following statement is incorrect?

1 Rate law expression cannot be written from the stoichiometric equation.
2 Law of mass action expression can be written from the balanced equation.
3 Specific rate of a reaction is constant at constant temperature.
4 Rate of reaction and rate constant have same units.