In the first order decomposition of oxalic acid following data were obtained.

The half-life period of the reaction is_____________ min.

Explanation

`underset(COOH)underset("| ")(COOH)rarr2CO_(2)+H_(2)O`
`t=0 a_(0)`
`t-t_(1) " "a_(0)-x" "2x`
`V_(t) prop" "a_(0)-x," "V_(0) prop a_(0) rArr " In "(V_(t))/(V_(0))=-kt`
`rArr t_(1//2) =802.98" sec "=13.4` m in.