Dependence of Rate on Concentration
CHXII04:CHEMICAL KINETICS

320133 The rate of reaction between two reactants A and B decreases by a factor 4 if the concentration of reactant B is doubled. The order of the reaction with respect to B is

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

320134 The rate constant of a reaction is \({\rm{2}}{\rm{.1 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}{\rm{\;mo}}{{\rm{l}}^{\rm{ - }}}^{\rm{2}}\,\,{\rm{li}}{{\rm{t}}^{\rm{2}}}{\rm{\;mi}}{{\rm{n}}^{{\rm{ - 1}}}}{\rm{.}}\). The order of reaction is

1 Zero
2 1
3 2
4 3
CHXII04:CHEMICAL KINETICS

320135 For the reaction \({{\text{H}}_{\text{2}}}{\text{(g) + B}}{{\text{r}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{2HBr(g)}}\), the rate law is rate \(=\mathrm{k}\left[\mathrm{H}_{2}\right]\left[\mathrm{Br}_{2}\right]^{1 / 2}\). Which of the following statement is true about this reaction?

1 The reaction is of second order
2 Molecularity of the reaction is \(3 / 2\)
3 The unit of \(\mathrm{k}\) is s \({ }^{-1}\)
4 Molecularity of the reaction is 2
CHXII04:CHEMICAL KINETICS

320136 The rate of the reaction \(\mathrm{A}+2 \mathrm{~B} \rightarrow 3 \mathrm{C}\) gets increased by 72 times when the concentration of \(\mathrm{A}\) is tripled and that of \(\mathrm{B}\) is doubled. The order of the reaction with respect to \(A\) and \(B\) are respectively

1 1,2
2 2,3
3 3,2
4 2,2
CHXII04:CHEMICAL KINETICS

320133 The rate of reaction between two reactants A and B decreases by a factor 4 if the concentration of reactant B is doubled. The order of the reaction with respect to B is

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

320134 The rate constant of a reaction is \({\rm{2}}{\rm{.1 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}{\rm{\;mo}}{{\rm{l}}^{\rm{ - }}}^{\rm{2}}\,\,{\rm{li}}{{\rm{t}}^{\rm{2}}}{\rm{\;mi}}{{\rm{n}}^{{\rm{ - 1}}}}{\rm{.}}\). The order of reaction is

1 Zero
2 1
3 2
4 3
CHXII04:CHEMICAL KINETICS

320135 For the reaction \({{\text{H}}_{\text{2}}}{\text{(g) + B}}{{\text{r}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{2HBr(g)}}\), the rate law is rate \(=\mathrm{k}\left[\mathrm{H}_{2}\right]\left[\mathrm{Br}_{2}\right]^{1 / 2}\). Which of the following statement is true about this reaction?

1 The reaction is of second order
2 Molecularity of the reaction is \(3 / 2\)
3 The unit of \(\mathrm{k}\) is s \({ }^{-1}\)
4 Molecularity of the reaction is 2
CHXII04:CHEMICAL KINETICS

320136 The rate of the reaction \(\mathrm{A}+2 \mathrm{~B} \rightarrow 3 \mathrm{C}\) gets increased by 72 times when the concentration of \(\mathrm{A}\) is tripled and that of \(\mathrm{B}\) is doubled. The order of the reaction with respect to \(A\) and \(B\) are respectively

1 1,2
2 2,3
3 3,2
4 2,2
CHXII04:CHEMICAL KINETICS

320133 The rate of reaction between two reactants A and B decreases by a factor 4 if the concentration of reactant B is doubled. The order of the reaction with respect to B is

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

320134 The rate constant of a reaction is \({\rm{2}}{\rm{.1 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}{\rm{\;mo}}{{\rm{l}}^{\rm{ - }}}^{\rm{2}}\,\,{\rm{li}}{{\rm{t}}^{\rm{2}}}{\rm{\;mi}}{{\rm{n}}^{{\rm{ - 1}}}}{\rm{.}}\). The order of reaction is

1 Zero
2 1
3 2
4 3
CHXII04:CHEMICAL KINETICS

320135 For the reaction \({{\text{H}}_{\text{2}}}{\text{(g) + B}}{{\text{r}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{2HBr(g)}}\), the rate law is rate \(=\mathrm{k}\left[\mathrm{H}_{2}\right]\left[\mathrm{Br}_{2}\right]^{1 / 2}\). Which of the following statement is true about this reaction?

1 The reaction is of second order
2 Molecularity of the reaction is \(3 / 2\)
3 The unit of \(\mathrm{k}\) is s \({ }^{-1}\)
4 Molecularity of the reaction is 2
CHXII04:CHEMICAL KINETICS

320136 The rate of the reaction \(\mathrm{A}+2 \mathrm{~B} \rightarrow 3 \mathrm{C}\) gets increased by 72 times when the concentration of \(\mathrm{A}\) is tripled and that of \(\mathrm{B}\) is doubled. The order of the reaction with respect to \(A\) and \(B\) are respectively

1 1,2
2 2,3
3 3,2
4 2,2
CHXII04:CHEMICAL KINETICS

320133 The rate of reaction between two reactants A and B decreases by a factor 4 if the concentration of reactant B is doubled. The order of the reaction with respect to B is

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

320134 The rate constant of a reaction is \({\rm{2}}{\rm{.1 \times 1}}{{\rm{0}}^{{\rm{ - 2}}}}{\rm{\;mo}}{{\rm{l}}^{\rm{ - }}}^{\rm{2}}\,\,{\rm{li}}{{\rm{t}}^{\rm{2}}}{\rm{\;mi}}{{\rm{n}}^{{\rm{ - 1}}}}{\rm{.}}\). The order of reaction is

1 Zero
2 1
3 2
4 3
CHXII04:CHEMICAL KINETICS

320135 For the reaction \({{\text{H}}_{\text{2}}}{\text{(g) + B}}{{\text{r}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{2HBr(g)}}\), the rate law is rate \(=\mathrm{k}\left[\mathrm{H}_{2}\right]\left[\mathrm{Br}_{2}\right]^{1 / 2}\). Which of the following statement is true about this reaction?

1 The reaction is of second order
2 Molecularity of the reaction is \(3 / 2\)
3 The unit of \(\mathrm{k}\) is s \({ }^{-1}\)
4 Molecularity of the reaction is 2
CHXII04:CHEMICAL KINETICS

320136 The rate of the reaction \(\mathrm{A}+2 \mathrm{~B} \rightarrow 3 \mathrm{C}\) gets increased by 72 times when the concentration of \(\mathrm{A}\) is tripled and that of \(\mathrm{B}\) is doubled. The order of the reaction with respect to \(A\) and \(B\) are respectively

1 1,2
2 2,3
3 3,2
4 2,2