Integrated Rate Equations
CHXII04:CHEMICAL KINETICS

320334 For a given reaction of first order, it takes 20 minutes for the concentration to drop from 1.0 \(\mathrm{M}\) to \(0.6 \mathrm{M}\). The time required for the concentration to drop from \(0.6 \mathrm{M}\) to \(0.36 \mathrm{M}\) will be:

1 More than 20 minutes
2 Less than 20 minutes
3 Equal to 20 minutes
4 Infinity
CHXII04:CHEMICAL KINETICS

320335 Consider a first order gas phase decomposition reaction given below:
\({\mathrm{\mathrm{A}_{(\mathrm{g})} \longrightarrow \mathrm{B}_{(\mathrm{g})}+\mathrm{C}_{(\mathrm{g})}}}\)
The initial pressure is 6.0 atm . The pressure drops to 3.0 atm after 6.93 min . How much time (in minutes) would it take to lower the partial pressure of \({\mathrm{\mathrm{A}_{(\mathrm{g})}}}\) by 4.0 atm ?
[Consider: \({\mathrm{\log _{10}(3)=0.48}}\) ]

1 4 min
2 11 min
3 8 min
4 2 min
CHXII04:CHEMICAL KINETICS

320336 The decomposition of \({{\rm{N}}_{\rm{2}}}{{\rm{O}}_{\rm{5}}}\) is a first order reaction represented by \(\mathrm{N}_{2} \mathrm{O}_{5} \rightarrow \mathrm{N}_{2} \mathrm{O}_{4}+1 / 2 \mathrm{O}_{2}\). After 15 minutes the volume of \(\mathrm{O}_{2}\) produced is \(9 \mathrm{~mL}\) and at the end of the reaction is \(35 \mathrm{~mL}\). The rate constant is equal to:

1 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{35}}}}{{{\rm{26}}}}\)
2 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{44}}}}{{{\rm{26}}}}\)
3 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{35}}}}{{{\rm{36}}}}\)
4 None of the above
CHXII04:CHEMICAL KINETICS

320337 Which of the following is first order?
i) Decomposition of \(\mathrm{NH}_{4} \mathrm{NO}_{2}\) in aqueous solution.
ii) Inversion of cane sugar in the presence of an acid
iii) Base hydrolysis of ethyl acetate
iv) All radioactive decays
The correct combination is

1 i, ii, iv
2 All are correct
3 ii, iv
4 ii, iii, iv
CHXII04:CHEMICAL KINETICS

320338 Statement A :
The rate of a first order reaction depends on the concentration of the reactant raised to the first power.
Statement B :
Decomposition of \(\mathrm{H}_{2} \mathrm{O}_{2}\) follows zero order reaction.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII04:CHEMICAL KINETICS

320334 For a given reaction of first order, it takes 20 minutes for the concentration to drop from 1.0 \(\mathrm{M}\) to \(0.6 \mathrm{M}\). The time required for the concentration to drop from \(0.6 \mathrm{M}\) to \(0.36 \mathrm{M}\) will be:

1 More than 20 minutes
2 Less than 20 minutes
3 Equal to 20 minutes
4 Infinity
CHXII04:CHEMICAL KINETICS

320335 Consider a first order gas phase decomposition reaction given below:
\({\mathrm{\mathrm{A}_{(\mathrm{g})} \longrightarrow \mathrm{B}_{(\mathrm{g})}+\mathrm{C}_{(\mathrm{g})}}}\)
The initial pressure is 6.0 atm . The pressure drops to 3.0 atm after 6.93 min . How much time (in minutes) would it take to lower the partial pressure of \({\mathrm{\mathrm{A}_{(\mathrm{g})}}}\) by 4.0 atm ?
[Consider: \({\mathrm{\log _{10}(3)=0.48}}\) ]

1 4 min
2 11 min
3 8 min
4 2 min
CHXII04:CHEMICAL KINETICS

320336 The decomposition of \({{\rm{N}}_{\rm{2}}}{{\rm{O}}_{\rm{5}}}\) is a first order reaction represented by \(\mathrm{N}_{2} \mathrm{O}_{5} \rightarrow \mathrm{N}_{2} \mathrm{O}_{4}+1 / 2 \mathrm{O}_{2}\). After 15 minutes the volume of \(\mathrm{O}_{2}\) produced is \(9 \mathrm{~mL}\) and at the end of the reaction is \(35 \mathrm{~mL}\). The rate constant is equal to:

1 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{35}}}}{{{\rm{26}}}}\)
2 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{44}}}}{{{\rm{26}}}}\)
3 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{35}}}}{{{\rm{36}}}}\)
4 None of the above
CHXII04:CHEMICAL KINETICS

320337 Which of the following is first order?
i) Decomposition of \(\mathrm{NH}_{4} \mathrm{NO}_{2}\) in aqueous solution.
ii) Inversion of cane sugar in the presence of an acid
iii) Base hydrolysis of ethyl acetate
iv) All radioactive decays
The correct combination is

1 i, ii, iv
2 All are correct
3 ii, iv
4 ii, iii, iv
CHXII04:CHEMICAL KINETICS

320338 Statement A :
The rate of a first order reaction depends on the concentration of the reactant raised to the first power.
Statement B :
Decomposition of \(\mathrm{H}_{2} \mathrm{O}_{2}\) follows zero order reaction.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII04:CHEMICAL KINETICS

320334 For a given reaction of first order, it takes 20 minutes for the concentration to drop from 1.0 \(\mathrm{M}\) to \(0.6 \mathrm{M}\). The time required for the concentration to drop from \(0.6 \mathrm{M}\) to \(0.36 \mathrm{M}\) will be:

1 More than 20 minutes
2 Less than 20 minutes
3 Equal to 20 minutes
4 Infinity
CHXII04:CHEMICAL KINETICS

320335 Consider a first order gas phase decomposition reaction given below:
\({\mathrm{\mathrm{A}_{(\mathrm{g})} \longrightarrow \mathrm{B}_{(\mathrm{g})}+\mathrm{C}_{(\mathrm{g})}}}\)
The initial pressure is 6.0 atm . The pressure drops to 3.0 atm after 6.93 min . How much time (in minutes) would it take to lower the partial pressure of \({\mathrm{\mathrm{A}_{(\mathrm{g})}}}\) by 4.0 atm ?
[Consider: \({\mathrm{\log _{10}(3)=0.48}}\) ]

1 4 min
2 11 min
3 8 min
4 2 min
CHXII04:CHEMICAL KINETICS

320336 The decomposition of \({{\rm{N}}_{\rm{2}}}{{\rm{O}}_{\rm{5}}}\) is a first order reaction represented by \(\mathrm{N}_{2} \mathrm{O}_{5} \rightarrow \mathrm{N}_{2} \mathrm{O}_{4}+1 / 2 \mathrm{O}_{2}\). After 15 minutes the volume of \(\mathrm{O}_{2}\) produced is \(9 \mathrm{~mL}\) and at the end of the reaction is \(35 \mathrm{~mL}\). The rate constant is equal to:

1 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{35}}}}{{{\rm{26}}}}\)
2 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{44}}}}{{{\rm{26}}}}\)
3 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{35}}}}{{{\rm{36}}}}\)
4 None of the above
CHXII04:CHEMICAL KINETICS

320337 Which of the following is first order?
i) Decomposition of \(\mathrm{NH}_{4} \mathrm{NO}_{2}\) in aqueous solution.
ii) Inversion of cane sugar in the presence of an acid
iii) Base hydrolysis of ethyl acetate
iv) All radioactive decays
The correct combination is

1 i, ii, iv
2 All are correct
3 ii, iv
4 ii, iii, iv
CHXII04:CHEMICAL KINETICS

320338 Statement A :
The rate of a first order reaction depends on the concentration of the reactant raised to the first power.
Statement B :
Decomposition of \(\mathrm{H}_{2} \mathrm{O}_{2}\) follows zero order reaction.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII04:CHEMICAL KINETICS

320334 For a given reaction of first order, it takes 20 minutes for the concentration to drop from 1.0 \(\mathrm{M}\) to \(0.6 \mathrm{M}\). The time required for the concentration to drop from \(0.6 \mathrm{M}\) to \(0.36 \mathrm{M}\) will be:

1 More than 20 minutes
2 Less than 20 minutes
3 Equal to 20 minutes
4 Infinity
CHXII04:CHEMICAL KINETICS

320335 Consider a first order gas phase decomposition reaction given below:
\({\mathrm{\mathrm{A}_{(\mathrm{g})} \longrightarrow \mathrm{B}_{(\mathrm{g})}+\mathrm{C}_{(\mathrm{g})}}}\)
The initial pressure is 6.0 atm . The pressure drops to 3.0 atm after 6.93 min . How much time (in minutes) would it take to lower the partial pressure of \({\mathrm{\mathrm{A}_{(\mathrm{g})}}}\) by 4.0 atm ?
[Consider: \({\mathrm{\log _{10}(3)=0.48}}\) ]

1 4 min
2 11 min
3 8 min
4 2 min
CHXII04:CHEMICAL KINETICS

320336 The decomposition of \({{\rm{N}}_{\rm{2}}}{{\rm{O}}_{\rm{5}}}\) is a first order reaction represented by \(\mathrm{N}_{2} \mathrm{O}_{5} \rightarrow \mathrm{N}_{2} \mathrm{O}_{4}+1 / 2 \mathrm{O}_{2}\). After 15 minutes the volume of \(\mathrm{O}_{2}\) produced is \(9 \mathrm{~mL}\) and at the end of the reaction is \(35 \mathrm{~mL}\). The rate constant is equal to:

1 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{35}}}}{{{\rm{26}}}}\)
2 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{44}}}}{{{\rm{26}}}}\)
3 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{35}}}}{{{\rm{36}}}}\)
4 None of the above
CHXII04:CHEMICAL KINETICS

320337 Which of the following is first order?
i) Decomposition of \(\mathrm{NH}_{4} \mathrm{NO}_{2}\) in aqueous solution.
ii) Inversion of cane sugar in the presence of an acid
iii) Base hydrolysis of ethyl acetate
iv) All radioactive decays
The correct combination is

1 i, ii, iv
2 All are correct
3 ii, iv
4 ii, iii, iv
CHXII04:CHEMICAL KINETICS

320338 Statement A :
The rate of a first order reaction depends on the concentration of the reactant raised to the first power.
Statement B :
Decomposition of \(\mathrm{H}_{2} \mathrm{O}_{2}\) follows zero order reaction.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII04:CHEMICAL KINETICS

320334 For a given reaction of first order, it takes 20 minutes for the concentration to drop from 1.0 \(\mathrm{M}\) to \(0.6 \mathrm{M}\). The time required for the concentration to drop from \(0.6 \mathrm{M}\) to \(0.36 \mathrm{M}\) will be:

1 More than 20 minutes
2 Less than 20 minutes
3 Equal to 20 minutes
4 Infinity
CHXII04:CHEMICAL KINETICS

320335 Consider a first order gas phase decomposition reaction given below:
\({\mathrm{\mathrm{A}_{(\mathrm{g})} \longrightarrow \mathrm{B}_{(\mathrm{g})}+\mathrm{C}_{(\mathrm{g})}}}\)
The initial pressure is 6.0 atm . The pressure drops to 3.0 atm after 6.93 min . How much time (in minutes) would it take to lower the partial pressure of \({\mathrm{\mathrm{A}_{(\mathrm{g})}}}\) by 4.0 atm ?
[Consider: \({\mathrm{\log _{10}(3)=0.48}}\) ]

1 4 min
2 11 min
3 8 min
4 2 min
CHXII04:CHEMICAL KINETICS

320336 The decomposition of \({{\rm{N}}_{\rm{2}}}{{\rm{O}}_{\rm{5}}}\) is a first order reaction represented by \(\mathrm{N}_{2} \mathrm{O}_{5} \rightarrow \mathrm{N}_{2} \mathrm{O}_{4}+1 / 2 \mathrm{O}_{2}\). After 15 minutes the volume of \(\mathrm{O}_{2}\) produced is \(9 \mathrm{~mL}\) and at the end of the reaction is \(35 \mathrm{~mL}\). The rate constant is equal to:

1 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{35}}}}{{{\rm{26}}}}\)
2 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{44}}}}{{{\rm{26}}}}\)
3 \(\frac{{\rm{1}}}{{{\rm{15}}}}{\rm{lo}}{{\rm{g}}_{\rm{e}}}\frac{{{\rm{35}}}}{{{\rm{36}}}}\)
4 None of the above
CHXII04:CHEMICAL KINETICS

320337 Which of the following is first order?
i) Decomposition of \(\mathrm{NH}_{4} \mathrm{NO}_{2}\) in aqueous solution.
ii) Inversion of cane sugar in the presence of an acid
iii) Base hydrolysis of ethyl acetate
iv) All radioactive decays
The correct combination is

1 i, ii, iv
2 All are correct
3 ii, iv
4 ii, iii, iv
CHXII04:CHEMICAL KINETICS

320338 Statement A :
The rate of a first order reaction depends on the concentration of the reactant raised to the first power.
Statement B :
Decomposition of \(\mathrm{H}_{2} \mathrm{O}_{2}\) follows zero order reaction.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.