Chemical KineticshardMCQ MULTIPLE

According to the analytical kinetics of first-order reactions, which of the following statements aboChemical Kinetics Chemistry Question

Question

According to the analytical kinetics of first-order reactions, which of the following statements about graphical plots is/are correct?

Answer: A,B,C

💡 Solution & Explanation

A is correct from $\ln [A]_t = \ln [A]_0 - kt$. B is correct because Rate $= k[A]$, representing $y = mx$ through the origin. C is correct because $t_{1/2} = 0.693/k$, which is a constant and thus independent of $[A]_0$, forming a horizontal line. D is completely incorrect; it represents second-order kinetics, not first-order.

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