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Under the same reaction conditions , ini...

Under the same reaction conditions , initial concentration of 1.386 mol `dm^(-3)` of a substance becomes half in 40 s and 20 s through first-order and zero-order kinetics respectively. Ratio `(k_1/k_0)` of the rate constants for first order `(k_1)` and zero-order `(k_0)` of the reactions is

A

`"0.5 mol"^(-1) "dm"^3`

B

`"0.5 mol dm"^(-3)`

C

`"1.0 mol dm"^(-3)`

D

`"2.0 mol"^(-1) "dm"^3`

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