For a $1^{\text {st }}$ order reaction if concentration is doubled then rate of reaction becomes

For a $1^{\text {st }}$ order reaction if concentration is doubled then rate of reaction becomes
  1. doubles
  2. half
  3. four times
  4. remains same.

Solution

For a first order reaction, rate $=k[A]$, when concentration of $A$ is doubled, the rate becomes double.

Asked in: MHT CET Full Test 12

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