Dependence of Rate on Temperature
CHXII04:CHEMICAL KINETICS

320209 The maximum value of activation energy is equal to:

1 Zero
2 Heat of the reaction
3 Threshold energy
4 None of these
CHXII04:CHEMICAL KINETICS

320210 The Arrhenius equation for trans isomerisation of 2-butene and 1-butene nitrile are given as follows:

(i) For 2-butene; \({\rm{k}}\left( {{{\rm{s}}^{{\rm{ - 1}}}}} \right){\rm{ = 1}}{{\rm{0}}^{{\rm{13}}{\rm{.8}}}}{{\rm{e}}^{{\rm{( - 263}}{\rm{.5}}\;{\rm{kJ/mol//RT)}}}}\)

(ii) For 2-butene nitrile ; \({\text{k'}}\left( {{{\text{s}}^{{\text{ - 1}}}}} \right){\text{ = 1}}{{\text{0}}^{{\text{11}}}}{\text{ex}}{{\text{p}}^{{\text{ - 214}}{\text{.5kmo}}{{\text{\Gamma }}^{{\text{ - 1/RT}}}}}}\)
The temperature at which \({\text{k = k'}}\) is

1 \(913.87 \mathrm{~K}\)
2 \(533.43 \mathrm{~K}\)
3 \(1000.02 \mathrm{~K}\)
4 \(407.05 \mathrm{~K}\)
CHXII04:CHEMICAL KINETICS

320211 At room temperature, the reaction between NO and \(\mathrm{O}_{2}\) to give \(\mathrm{NO}_{2}\) is fast, while that between CO and \(\mathrm{O}_{2}\) is slow. It is due to

1 CO is smaller in size than NO
2 CO is poisonous
3 The activation energy for the reaction, \(2 \mathrm{NO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{NO}_{2}\) is less than
\(2 \mathrm{CO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{CO}_{2}\)
4 None of the above
CHXII04:CHEMICAL KINETICS

320212 The rate of a reaction A doubles on increasing the temperature from 300 to \(310 \mathrm{~K}\). By how much, the temperature of reaction \(\mathrm{B}\) should be increased from \(300 \mathrm{~K}\) so that rate doubles if activation energy of the reaction \(B\) is twice that of reaction \(\mathrm{A}\).

1 \(4.92 \mathrm{~K}\)
2 \(9.84 \mathrm{~K}\)
3 \(19.67 \mathrm{~K}\)
4 \(2.45 \mathrm{~K}\)
CHXII04:CHEMICAL KINETICS

320213 Consider the following reaction,
supporting img
The reaction is of first order in each diagram, with an equilibrium constant of \({10^4}\). For the conversion of chair form to boat form \({{\text{e}}^{{\text{ - E/aRT}}}} = 4.35 \times {10^{ - 8}}\) at 298 K with pre-exponential factor of \({10^{12}}{\mkern 1mu} {{\text{s}}^{ - 1}}.\) Apparent rate constant \(( = {{\text{k}}_{\text{A}}}/{{\text{k}}_{\text{B}}})\) at 298 K is

1 \(4.35 \times 10^{4} \mathrm{~s}^{-1}\)
2 \(4.35 \times 10^{8} \mathrm{~s}^{-1}\)
3 \(4.35 \times 10^{-8} \mathrm{~s}^{-1}\)
4 \(4.35 \times 10^{12} \mathrm{~s}^{-1}\)
CHXII04:CHEMICAL KINETICS

320209 The maximum value of activation energy is equal to:

1 Zero
2 Heat of the reaction
3 Threshold energy
4 None of these
CHXII04:CHEMICAL KINETICS

320210 The Arrhenius equation for trans isomerisation of 2-butene and 1-butene nitrile are given as follows:

(i) For 2-butene; \({\rm{k}}\left( {{{\rm{s}}^{{\rm{ - 1}}}}} \right){\rm{ = 1}}{{\rm{0}}^{{\rm{13}}{\rm{.8}}}}{{\rm{e}}^{{\rm{( - 263}}{\rm{.5}}\;{\rm{kJ/mol//RT)}}}}\)

(ii) For 2-butene nitrile ; \({\text{k'}}\left( {{{\text{s}}^{{\text{ - 1}}}}} \right){\text{ = 1}}{{\text{0}}^{{\text{11}}}}{\text{ex}}{{\text{p}}^{{\text{ - 214}}{\text{.5kmo}}{{\text{\Gamma }}^{{\text{ - 1/RT}}}}}}\)
The temperature at which \({\text{k = k'}}\) is

1 \(913.87 \mathrm{~K}\)
2 \(533.43 \mathrm{~K}\)
3 \(1000.02 \mathrm{~K}\)
4 \(407.05 \mathrm{~K}\)
CHXII04:CHEMICAL KINETICS

320211 At room temperature, the reaction between NO and \(\mathrm{O}_{2}\) to give \(\mathrm{NO}_{2}\) is fast, while that between CO and \(\mathrm{O}_{2}\) is slow. It is due to

1 CO is smaller in size than NO
2 CO is poisonous
3 The activation energy for the reaction, \(2 \mathrm{NO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{NO}_{2}\) is less than
\(2 \mathrm{CO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{CO}_{2}\)
4 None of the above
CHXII04:CHEMICAL KINETICS

320212 The rate of a reaction A doubles on increasing the temperature from 300 to \(310 \mathrm{~K}\). By how much, the temperature of reaction \(\mathrm{B}\) should be increased from \(300 \mathrm{~K}\) so that rate doubles if activation energy of the reaction \(B\) is twice that of reaction \(\mathrm{A}\).

1 \(4.92 \mathrm{~K}\)
2 \(9.84 \mathrm{~K}\)
3 \(19.67 \mathrm{~K}\)
4 \(2.45 \mathrm{~K}\)
CHXII04:CHEMICAL KINETICS

320213 Consider the following reaction,
supporting img
The reaction is of first order in each diagram, with an equilibrium constant of \({10^4}\). For the conversion of chair form to boat form \({{\text{e}}^{{\text{ - E/aRT}}}} = 4.35 \times {10^{ - 8}}\) at 298 K with pre-exponential factor of \({10^{12}}{\mkern 1mu} {{\text{s}}^{ - 1}}.\) Apparent rate constant \(( = {{\text{k}}_{\text{A}}}/{{\text{k}}_{\text{B}}})\) at 298 K is

1 \(4.35 \times 10^{4} \mathrm{~s}^{-1}\)
2 \(4.35 \times 10^{8} \mathrm{~s}^{-1}\)
3 \(4.35 \times 10^{-8} \mathrm{~s}^{-1}\)
4 \(4.35 \times 10^{12} \mathrm{~s}^{-1}\)
CHXII04:CHEMICAL KINETICS

320209 The maximum value of activation energy is equal to:

1 Zero
2 Heat of the reaction
3 Threshold energy
4 None of these
CHXII04:CHEMICAL KINETICS

320210 The Arrhenius equation for trans isomerisation of 2-butene and 1-butene nitrile are given as follows:

(i) For 2-butene; \({\rm{k}}\left( {{{\rm{s}}^{{\rm{ - 1}}}}} \right){\rm{ = 1}}{{\rm{0}}^{{\rm{13}}{\rm{.8}}}}{{\rm{e}}^{{\rm{( - 263}}{\rm{.5}}\;{\rm{kJ/mol//RT)}}}}\)

(ii) For 2-butene nitrile ; \({\text{k'}}\left( {{{\text{s}}^{{\text{ - 1}}}}} \right){\text{ = 1}}{{\text{0}}^{{\text{11}}}}{\text{ex}}{{\text{p}}^{{\text{ - 214}}{\text{.5kmo}}{{\text{\Gamma }}^{{\text{ - 1/RT}}}}}}\)
The temperature at which \({\text{k = k'}}\) is

1 \(913.87 \mathrm{~K}\)
2 \(533.43 \mathrm{~K}\)
3 \(1000.02 \mathrm{~K}\)
4 \(407.05 \mathrm{~K}\)
CHXII04:CHEMICAL KINETICS

320211 At room temperature, the reaction between NO and \(\mathrm{O}_{2}\) to give \(\mathrm{NO}_{2}\) is fast, while that between CO and \(\mathrm{O}_{2}\) is slow. It is due to

1 CO is smaller in size than NO
2 CO is poisonous
3 The activation energy for the reaction, \(2 \mathrm{NO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{NO}_{2}\) is less than
\(2 \mathrm{CO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{CO}_{2}\)
4 None of the above
CHXII04:CHEMICAL KINETICS

320212 The rate of a reaction A doubles on increasing the temperature from 300 to \(310 \mathrm{~K}\). By how much, the temperature of reaction \(\mathrm{B}\) should be increased from \(300 \mathrm{~K}\) so that rate doubles if activation energy of the reaction \(B\) is twice that of reaction \(\mathrm{A}\).

1 \(4.92 \mathrm{~K}\)
2 \(9.84 \mathrm{~K}\)
3 \(19.67 \mathrm{~K}\)
4 \(2.45 \mathrm{~K}\)
CHXII04:CHEMICAL KINETICS

320213 Consider the following reaction,
supporting img
The reaction is of first order in each diagram, with an equilibrium constant of \({10^4}\). For the conversion of chair form to boat form \({{\text{e}}^{{\text{ - E/aRT}}}} = 4.35 \times {10^{ - 8}}\) at 298 K with pre-exponential factor of \({10^{12}}{\mkern 1mu} {{\text{s}}^{ - 1}}.\) Apparent rate constant \(( = {{\text{k}}_{\text{A}}}/{{\text{k}}_{\text{B}}})\) at 298 K is

1 \(4.35 \times 10^{4} \mathrm{~s}^{-1}\)
2 \(4.35 \times 10^{8} \mathrm{~s}^{-1}\)
3 \(4.35 \times 10^{-8} \mathrm{~s}^{-1}\)
4 \(4.35 \times 10^{12} \mathrm{~s}^{-1}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII04:CHEMICAL KINETICS

320209 The maximum value of activation energy is equal to:

1 Zero
2 Heat of the reaction
3 Threshold energy
4 None of these
CHXII04:CHEMICAL KINETICS

320210 The Arrhenius equation for trans isomerisation of 2-butene and 1-butene nitrile are given as follows:

(i) For 2-butene; \({\rm{k}}\left( {{{\rm{s}}^{{\rm{ - 1}}}}} \right){\rm{ = 1}}{{\rm{0}}^{{\rm{13}}{\rm{.8}}}}{{\rm{e}}^{{\rm{( - 263}}{\rm{.5}}\;{\rm{kJ/mol//RT)}}}}\)

(ii) For 2-butene nitrile ; \({\text{k'}}\left( {{{\text{s}}^{{\text{ - 1}}}}} \right){\text{ = 1}}{{\text{0}}^{{\text{11}}}}{\text{ex}}{{\text{p}}^{{\text{ - 214}}{\text{.5kmo}}{{\text{\Gamma }}^{{\text{ - 1/RT}}}}}}\)
The temperature at which \({\text{k = k'}}\) is

1 \(913.87 \mathrm{~K}\)
2 \(533.43 \mathrm{~K}\)
3 \(1000.02 \mathrm{~K}\)
4 \(407.05 \mathrm{~K}\)
CHXII04:CHEMICAL KINETICS

320211 At room temperature, the reaction between NO and \(\mathrm{O}_{2}\) to give \(\mathrm{NO}_{2}\) is fast, while that between CO and \(\mathrm{O}_{2}\) is slow. It is due to

1 CO is smaller in size than NO
2 CO is poisonous
3 The activation energy for the reaction, \(2 \mathrm{NO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{NO}_{2}\) is less than
\(2 \mathrm{CO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{CO}_{2}\)
4 None of the above
CHXII04:CHEMICAL KINETICS

320212 The rate of a reaction A doubles on increasing the temperature from 300 to \(310 \mathrm{~K}\). By how much, the temperature of reaction \(\mathrm{B}\) should be increased from \(300 \mathrm{~K}\) so that rate doubles if activation energy of the reaction \(B\) is twice that of reaction \(\mathrm{A}\).

1 \(4.92 \mathrm{~K}\)
2 \(9.84 \mathrm{~K}\)
3 \(19.67 \mathrm{~K}\)
4 \(2.45 \mathrm{~K}\)
CHXII04:CHEMICAL KINETICS

320213 Consider the following reaction,
supporting img
The reaction is of first order in each diagram, with an equilibrium constant of \({10^4}\). For the conversion of chair form to boat form \({{\text{e}}^{{\text{ - E/aRT}}}} = 4.35 \times {10^{ - 8}}\) at 298 K with pre-exponential factor of \({10^{12}}{\mkern 1mu} {{\text{s}}^{ - 1}}.\) Apparent rate constant \(( = {{\text{k}}_{\text{A}}}/{{\text{k}}_{\text{B}}})\) at 298 K is

1 \(4.35 \times 10^{4} \mathrm{~s}^{-1}\)
2 \(4.35 \times 10^{8} \mathrm{~s}^{-1}\)
3 \(4.35 \times 10^{-8} \mathrm{~s}^{-1}\)
4 \(4.35 \times 10^{12} \mathrm{~s}^{-1}\)
CHXII04:CHEMICAL KINETICS

320209 The maximum value of activation energy is equal to:

1 Zero
2 Heat of the reaction
3 Threshold energy
4 None of these
CHXII04:CHEMICAL KINETICS

320210 The Arrhenius equation for trans isomerisation of 2-butene and 1-butene nitrile are given as follows:

(i) For 2-butene; \({\rm{k}}\left( {{{\rm{s}}^{{\rm{ - 1}}}}} \right){\rm{ = 1}}{{\rm{0}}^{{\rm{13}}{\rm{.8}}}}{{\rm{e}}^{{\rm{( - 263}}{\rm{.5}}\;{\rm{kJ/mol//RT)}}}}\)

(ii) For 2-butene nitrile ; \({\text{k'}}\left( {{{\text{s}}^{{\text{ - 1}}}}} \right){\text{ = 1}}{{\text{0}}^{{\text{11}}}}{\text{ex}}{{\text{p}}^{{\text{ - 214}}{\text{.5kmo}}{{\text{\Gamma }}^{{\text{ - 1/RT}}}}}}\)
The temperature at which \({\text{k = k'}}\) is

1 \(913.87 \mathrm{~K}\)
2 \(533.43 \mathrm{~K}\)
3 \(1000.02 \mathrm{~K}\)
4 \(407.05 \mathrm{~K}\)
CHXII04:CHEMICAL KINETICS

320211 At room temperature, the reaction between NO and \(\mathrm{O}_{2}\) to give \(\mathrm{NO}_{2}\) is fast, while that between CO and \(\mathrm{O}_{2}\) is slow. It is due to

1 CO is smaller in size than NO
2 CO is poisonous
3 The activation energy for the reaction, \(2 \mathrm{NO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{NO}_{2}\) is less than
\(2 \mathrm{CO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{CO}_{2}\)
4 None of the above
CHXII04:CHEMICAL KINETICS

320212 The rate of a reaction A doubles on increasing the temperature from 300 to \(310 \mathrm{~K}\). By how much, the temperature of reaction \(\mathrm{B}\) should be increased from \(300 \mathrm{~K}\) so that rate doubles if activation energy of the reaction \(B\) is twice that of reaction \(\mathrm{A}\).

1 \(4.92 \mathrm{~K}\)
2 \(9.84 \mathrm{~K}\)
3 \(19.67 \mathrm{~K}\)
4 \(2.45 \mathrm{~K}\)
CHXII04:CHEMICAL KINETICS

320213 Consider the following reaction,
supporting img
The reaction is of first order in each diagram, with an equilibrium constant of \({10^4}\). For the conversion of chair form to boat form \({{\text{e}}^{{\text{ - E/aRT}}}} = 4.35 \times {10^{ - 8}}\) at 298 K with pre-exponential factor of \({10^{12}}{\mkern 1mu} {{\text{s}}^{ - 1}}.\) Apparent rate constant \(( = {{\text{k}}_{\text{A}}}/{{\text{k}}_{\text{B}}})\) at 298 K is

1 \(4.35 \times 10^{4} \mathrm{~s}^{-1}\)
2 \(4.35 \times 10^{8} \mathrm{~s}^{-1}\)
3 \(4.35 \times 10^{-8} \mathrm{~s}^{-1}\)
4 \(4.35 \times 10^{12} \mathrm{~s}^{-1}\)