For a reaction with negative order n, which one of the following is true about reaction rate constant?

(a) k = (-rA)

(b) k = 1

(c) k = \(\frac{-r_A}{C_A^n} \)

(d) k =(-rA) × CA^n

I have been asked this question during an interview.

The origin of the question is Reaction Kinetics Elements in section Elements of Reaction Kinetics of Chemical Reaction Engineering

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