1.

Correct order for a first order reaction isA. `t_(1 //2) prop C^(-1)`B. `t_(1//2) prop C`C. `t_(1//2) prop C^(0)`D. `t_(1//2) prop C^(1//2)`

Answer» Correct Answer - c
The relation between half-life period and initial concentration (c) for a `n^(th)` order reaction is given by `t_(1//2) prop (1)/(C^(n-1))` for first order reaction (n = 1) . `t_(1//2) prop (1)/(C^(1-1))`
or `t_(1//2) prop C^(0)`.


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