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Assertion (A): A graphical construction is useful for a cascade with complicated kinetics.
Reason (R): It needs only the measured rate curve rather than an analytical rate law.

  • A.Both A and R are true, and R is the correct explanation of A
  • B.Both A and R are true, but R is not the correct explanation of A
  • C.A is true but R is false
  • D.A is false but R is true

Answer: A

Both are true and the reason gives the advantage: a rate curve obtained directly from experiment can be used without ever fitting a functional form to it. The steps read off directly from the plot. No functional form is needed at all.

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