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NEET UG CHEMISTRY MCQ: CHEMICAL KINETICS

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During the kinetic study of the reaction 2A+B→C+D2A + B \to C + D following results were obtained.

Run        [A]    in  M        [B]  in  M        Initial  rate  of  formation  of  D  in  M  s−1I                        0.1                              0.1                                      6.0×10−3  II                      0.3                            0.2                                      7.2×10−2    III                    0.3                            0.4                                      2.88×10−1        IV                    0.4                            0.1                                      2.40×10−2        \begin{array}{l} Run\;\;\;\;[A]\;\;in\;M\;\;\;\;[B]\;in\;M\;\;\;\;Initial\;rate\;of\;formation\;of\;D\;in\;M\;{s^{ - 1}}\\ I\;\;\;\;\;\;\;\;\;\;\;\;0.1\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;0.1\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;6.0 \times {10^{ - 3}}\;\\ II\;\;\;\;\;\;\;\;\;\;\;0.3\;\;\;\;\;\;\;\;\;\;\;\;\;\;0.2\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;7.2 \times {10^{ - 2}}\;\;\\ III\;\;\;\;\;\;\;\;\;\;0.3\;\;\;\;\;\;\;\;\;\;\;\;\;\;0.4\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;2.88 \times {10^{ - 1}}\;\;\;\;\\ IV\;\;\;\;\;\;\;\;\;\;0.4\;\;\;\;\;\;\;\;\;\;\;\;\;\;0.1\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;2.40 \times {10^{ - 2}}\;\;\;\; \end{array}

On the basis of above data which one is correct:
View answer and explanation
Correct option: D
r=k[A][B]2\mathrm{r} = k\left[ A \right]{\left[ B \right]^2}
Option D (r=k[A][B]2\mathrm{r} = k[A][B]^2) is correct because it is the rate law that fits the experimental data provided.

More Questions from CHEMICAL KINETICS

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If the reaction rate at a given temperature becomes slower then 1[A]2\frac{1}{{{{\left[ A \right]}^2}}} vs times are a straight line. Order of reaction is The rate constant (k′)\left( {k'} \right) of one of the reaction is found to be double that of the rate constant (k′′)\left( {k''} \right) of another reaction. Then the relationship between the corresponding activation energies of the two reaction (E′a  and  E′′a)\left( {{{E'}_a}\;\mathrm{and}\;{{E''}_a}} \right) can be represented as Acid hydrolysis of sucrose is a Order of radioactive disintegration reaction is Temperature coefficient of a reaction is 2. When temperature is increased from 30∘C  to  100∘C30^\circ C\;to\;100^\circ C, rate of the reaction increases by
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