Q26 / 160 · AP EAMCET 2020 (22 Sep Shift 2) · Chemistry

For the reaction, $A \rightarrow$ products, if the graph of $[A]$ vs time gives a straight line, predict the order of the reaction.

  • A
    Pseudo first order
  • B
    First order
  • C
    Second order
  • Correct answer
    D
    Zero order

Solution

If the reaction is zero order, a plot of $[A]$ versus $t$ will produce a straight line with a slope that corresponds to the negative of the product of the rate constant and time, $-k t$ and $y$ intercept that corresponds to the initial concentration $[A]_0$. Hence, the correct option is (4).

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

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