1.

Half lives for first order and zero reactions are the same. The ratio of initial first order reaction is:

Answer»

`1/0.693`
`2 xx 0.693`
`0.693`
`6.93`

Solution :For zero ORDER reaction,
`t_(1//2) = [A]_(0)/(2k)`
For first order reaction
`t_(1//2)= 0.693/k`
Rate= Initial rate when `[A]_(0) = 1`
`THEREFORE 1/(2k) = 0.693/k^(')`
`k^(')/k= 2xx 0.693`


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