MHT CET 2023 Chemistry question

Calculate the rate constant for the first order reaction, A B if the rate of reaction is 5.4 x 10mol dm and [A] = 0.3 M

Answer: (A)

Solution

For a first order reaction, rate , so \dfrac{rate}{[A]}\dfrac{5.4×10^{-6}\ \mathrm{mol dm^{-3}s^{-1}}}{0.3\ \mathrm{mol dm^{-3}}}$ =

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Question ID VK-095166