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  3. Units of rate constant of first and zero order reactions in terms of molarity unit are respectively

. Units of rate constant of first and zero order reactions in terms of molarity unit are respectively

A. sec-1, M sec-1

B. sec-1, M

C. M sec-1, sec-1

D. M, sec-1 

Best Answer

Ans: A

Sol: For first order

M/sec = k[M]

k = sec–1

For zero order

M/sec = k[M]0

 k = M sec–1

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