Q44 / 200 · NEET 2002 · Chemistry

The reaction $2 \mathrm{~A} \rightarrow \mathrm{B}+\mathrm{C}$, would be a zero-order reaction when:

  • A
    the rate of the reaction is proportional to the square of concentration of A
  • Correct answer
    B
    the rate of reaction remains same at any concentration of A
  • C
    the rate remains unchanged at any concentration of $\mathrm{B}$ and $\mathrm{C}$.
  • D
    the rate of reaction doubles if concentration of $\mathrm{B}$ is increased to double.

Solution

The characteristic of zero-order reaction is Rate of reaction depends only on concentration of reactants. A reaction is zero-order if concentration data is plotted versus time and the result is a straight line.

Hence, the correct answer is option: 'B'.

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