1.

Under the same reaction conditions, initial concentration of 1.386 "mol dm"^(-3) of a substance becomes half in 40 seconds and 20 seconds through first order and zero order kinetics, respectively. Ratio ((k_(1))/(k_(0))) of the rate constant for first order (k_(1)) and zero order (k_(0)) of the reaction is :

Answer»

`0.5"MOL"^(-1)"DM"^(-3)`
`1.0"mol"^(-1)"dm"^(-3)`
`1.5"mol"^(-1)"dm"^(-3)`
`2.0"mol"^(-1)"dm"^(-3)`

ANSWER :A


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