Molecularity and Mechanism of a Reaction
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CHXII04:CHEMICAL KINETICS

320539 For the reaction \({{\rm{H}}_{\rm{2}}}{\rm{(g) + B}}{{\rm{r}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2HBr(g)}}\), the experimental data suggest, rate \({\rm{ = k}}\left[ {{{\rm{H}}_{\rm{2}}}} \right]{\left[ {{\rm{B}}{{\rm{r}}_{\rm{2}}}} \right]^{{\rm{1/2}}}}\). The molecularity and order of the reaction are respectively.

1 \({\rm{2,}}\frac{{\rm{3}}}{{\rm{2}}}\)
2 \(\frac{{\rm{3}}}{{\rm{2}}}{\rm{,}}\frac{{\rm{3}}}{{\rm{2}}}\)
3 1,1
4 \({\rm{1,}}\frac{{\rm{1}}}{{\rm{2}}}\)
CHXII04:CHEMICAL KINETICS

320540 For a chemical reaction,____can never be a fractional:

1 Order
2 Half-life
3 Molecularity
4 Rate constant
CHXII04:CHEMICAL KINETICS

320541 Which of the following statements is incorrect?

1 Molecularity is only applicable for elementary reaction
2 The rate law for any reaction cannot be determined experimentally
3 Bimolecular reactions involve simultaneous collision between two species
4 Complex reactions have fractional order.
CHXII04:CHEMICAL KINETICS

320542 Order and molecularity is same for the reaction

1 \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{CH}_{3} \mathrm{COOH}+\) \(\mathrm{CH}_{3} \mathrm{OH}\) (in acid medium)
2 \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}+\mathrm{NaOH} \rightarrow \mathrm{CH}_{3} \mathrm{COONa}\) \(+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)
3 \(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}+\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\) (in acid solution)
4 \(2 \mathrm{H}_{2} \mathrm{O}_{2} \rightarrow 2 \mathrm{H}_{2} \mathrm{O}+\mathrm{O}_{2}\)
CHXII04:CHEMICAL KINETICS

320543 Assertion :
Chemical kinetics deals with the rate of reaction, the factors affecting the rates of the reactions and the mechanism by which the reaction proceeds.
Reason :
Nature of reactants, concentration of reactants and products and catalyst affect the rate of reaction.

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.
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CHXII04:CHEMICAL KINETICS

320539 For the reaction \({{\rm{H}}_{\rm{2}}}{\rm{(g) + B}}{{\rm{r}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2HBr(g)}}\), the experimental data suggest, rate \({\rm{ = k}}\left[ {{{\rm{H}}_{\rm{2}}}} \right]{\left[ {{\rm{B}}{{\rm{r}}_{\rm{2}}}} \right]^{{\rm{1/2}}}}\). The molecularity and order of the reaction are respectively.

1 \({\rm{2,}}\frac{{\rm{3}}}{{\rm{2}}}\)
2 \(\frac{{\rm{3}}}{{\rm{2}}}{\rm{,}}\frac{{\rm{3}}}{{\rm{2}}}\)
3 1,1
4 \({\rm{1,}}\frac{{\rm{1}}}{{\rm{2}}}\)
CHXII04:CHEMICAL KINETICS

320540 For a chemical reaction,____can never be a fractional:

1 Order
2 Half-life
3 Molecularity
4 Rate constant
CHXII04:CHEMICAL KINETICS

320541 Which of the following statements is incorrect?

1 Molecularity is only applicable for elementary reaction
2 The rate law for any reaction cannot be determined experimentally
3 Bimolecular reactions involve simultaneous collision between two species
4 Complex reactions have fractional order.
CHXII04:CHEMICAL KINETICS

320542 Order and molecularity is same for the reaction

1 \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{CH}_{3} \mathrm{COOH}+\) \(\mathrm{CH}_{3} \mathrm{OH}\) (in acid medium)
2 \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}+\mathrm{NaOH} \rightarrow \mathrm{CH}_{3} \mathrm{COONa}\) \(+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)
3 \(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}+\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\) (in acid solution)
4 \(2 \mathrm{H}_{2} \mathrm{O}_{2} \rightarrow 2 \mathrm{H}_{2} \mathrm{O}+\mathrm{O}_{2}\)
CHXII04:CHEMICAL KINETICS

320543 Assertion :
Chemical kinetics deals with the rate of reaction, the factors affecting the rates of the reactions and the mechanism by which the reaction proceeds.
Reason :
Nature of reactants, concentration of reactants and products and catalyst affect the rate of reaction.

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.
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CHXII04:CHEMICAL KINETICS

320539 For the reaction \({{\rm{H}}_{\rm{2}}}{\rm{(g) + B}}{{\rm{r}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2HBr(g)}}\), the experimental data suggest, rate \({\rm{ = k}}\left[ {{{\rm{H}}_{\rm{2}}}} \right]{\left[ {{\rm{B}}{{\rm{r}}_{\rm{2}}}} \right]^{{\rm{1/2}}}}\). The molecularity and order of the reaction are respectively.

1 \({\rm{2,}}\frac{{\rm{3}}}{{\rm{2}}}\)
2 \(\frac{{\rm{3}}}{{\rm{2}}}{\rm{,}}\frac{{\rm{3}}}{{\rm{2}}}\)
3 1,1
4 \({\rm{1,}}\frac{{\rm{1}}}{{\rm{2}}}\)
CHXII04:CHEMICAL KINETICS

320540 For a chemical reaction,____can never be a fractional:

1 Order
2 Half-life
3 Molecularity
4 Rate constant
CHXII04:CHEMICAL KINETICS

320541 Which of the following statements is incorrect?

1 Molecularity is only applicable for elementary reaction
2 The rate law for any reaction cannot be determined experimentally
3 Bimolecular reactions involve simultaneous collision between two species
4 Complex reactions have fractional order.
CHXII04:CHEMICAL KINETICS

320542 Order and molecularity is same for the reaction

1 \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{CH}_{3} \mathrm{COOH}+\) \(\mathrm{CH}_{3} \mathrm{OH}\) (in acid medium)
2 \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}+\mathrm{NaOH} \rightarrow \mathrm{CH}_{3} \mathrm{COONa}\) \(+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)
3 \(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}+\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\) (in acid solution)
4 \(2 \mathrm{H}_{2} \mathrm{O}_{2} \rightarrow 2 \mathrm{H}_{2} \mathrm{O}+\mathrm{O}_{2}\)
CHXII04:CHEMICAL KINETICS

320543 Assertion :
Chemical kinetics deals with the rate of reaction, the factors affecting the rates of the reactions and the mechanism by which the reaction proceeds.
Reason :
Nature of reactants, concentration of reactants and products and catalyst affect the rate of reaction.

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.
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CHXII04:CHEMICAL KINETICS

320539 For the reaction \({{\rm{H}}_{\rm{2}}}{\rm{(g) + B}}{{\rm{r}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2HBr(g)}}\), the experimental data suggest, rate \({\rm{ = k}}\left[ {{{\rm{H}}_{\rm{2}}}} \right]{\left[ {{\rm{B}}{{\rm{r}}_{\rm{2}}}} \right]^{{\rm{1/2}}}}\). The molecularity and order of the reaction are respectively.

1 \({\rm{2,}}\frac{{\rm{3}}}{{\rm{2}}}\)
2 \(\frac{{\rm{3}}}{{\rm{2}}}{\rm{,}}\frac{{\rm{3}}}{{\rm{2}}}\)
3 1,1
4 \({\rm{1,}}\frac{{\rm{1}}}{{\rm{2}}}\)
CHXII04:CHEMICAL KINETICS

320540 For a chemical reaction,____can never be a fractional:

1 Order
2 Half-life
3 Molecularity
4 Rate constant
CHXII04:CHEMICAL KINETICS

320541 Which of the following statements is incorrect?

1 Molecularity is only applicable for elementary reaction
2 The rate law for any reaction cannot be determined experimentally
3 Bimolecular reactions involve simultaneous collision between two species
4 Complex reactions have fractional order.
CHXII04:CHEMICAL KINETICS

320542 Order and molecularity is same for the reaction

1 \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{CH}_{3} \mathrm{COOH}+\) \(\mathrm{CH}_{3} \mathrm{OH}\) (in acid medium)
2 \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}+\mathrm{NaOH} \rightarrow \mathrm{CH}_{3} \mathrm{COONa}\) \(+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)
3 \(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}+\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\) (in acid solution)
4 \(2 \mathrm{H}_{2} \mathrm{O}_{2} \rightarrow 2 \mathrm{H}_{2} \mathrm{O}+\mathrm{O}_{2}\)
CHXII04:CHEMICAL KINETICS

320543 Assertion :
Chemical kinetics deals with the rate of reaction, the factors affecting the rates of the reactions and the mechanism by which the reaction proceeds.
Reason :
Nature of reactants, concentration of reactants and products and catalyst affect the rate of reaction.

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.
Join With Us for More Updates
CHXII04:CHEMICAL KINETICS

320539 For the reaction \({{\rm{H}}_{\rm{2}}}{\rm{(g) + B}}{{\rm{r}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2HBr(g)}}\), the experimental data suggest, rate \({\rm{ = k}}\left[ {{{\rm{H}}_{\rm{2}}}} \right]{\left[ {{\rm{B}}{{\rm{r}}_{\rm{2}}}} \right]^{{\rm{1/2}}}}\). The molecularity and order of the reaction are respectively.

1 \({\rm{2,}}\frac{{\rm{3}}}{{\rm{2}}}\)
2 \(\frac{{\rm{3}}}{{\rm{2}}}{\rm{,}}\frac{{\rm{3}}}{{\rm{2}}}\)
3 1,1
4 \({\rm{1,}}\frac{{\rm{1}}}{{\rm{2}}}\)
CHXII04:CHEMICAL KINETICS

320540 For a chemical reaction,____can never be a fractional:

1 Order
2 Half-life
3 Molecularity
4 Rate constant
CHXII04:CHEMICAL KINETICS

320541 Which of the following statements is incorrect?

1 Molecularity is only applicable for elementary reaction
2 The rate law for any reaction cannot be determined experimentally
3 Bimolecular reactions involve simultaneous collision between two species
4 Complex reactions have fractional order.
CHXII04:CHEMICAL KINETICS

320542 Order and molecularity is same for the reaction

1 \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{CH}_{3} \mathrm{COOH}+\) \(\mathrm{CH}_{3} \mathrm{OH}\) (in acid medium)
2 \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}+\mathrm{NaOH} \rightarrow \mathrm{CH}_{3} \mathrm{COONa}\) \(+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)
3 \(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}+\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\) (in acid solution)
4 \(2 \mathrm{H}_{2} \mathrm{O}_{2} \rightarrow 2 \mathrm{H}_{2} \mathrm{O}+\mathrm{O}_{2}\)
CHXII04:CHEMICAL KINETICS

320543 Assertion :
Chemical kinetics deals with the rate of reaction, the factors affecting the rates of the reactions and the mechanism by which the reaction proceeds.
Reason :
Nature of reactants, concentration of reactants and products and catalyst affect the rate of reaction.

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.