A reaction that is of the first order with respect to reactant A has a rate constant . If we start with 0.5 M concentration of A, then what would be the time taken (in min.) for the [A] to become 0.05 M?
0.384
0.15
3
3.84
Given
Rate constant = 6 min-1
As we learnt for a first order reaction,
Putting values in the above expression,
Hence, the correct answer is Option (1)
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