Decompsition of `H_(2)O_(2)` follows a frist order reactions. In 50 min the concentrations of `H_(2)O_(2)` decreases from 0.5 to 0.125 M in one such decomposition . When the concentration of `H_(2)O_(2)` reaches 0.05 M, the rate of fromation of `O_(2)` will be

Decomposition of H_(2)O_(5) follows a first order reaction . In fifty minutes , the concentration of H_(2)O_(2) decreases from 0.5 to 0.125 (M) in one such decomposition when the concentration of H_(2)O_(2) reaches 0.05 (M) , the rate of formation of O_(2) will be -

Decomposition of H_2O_2 follows a first order reaction. In fifty minutes the concentration of H_2O_2 decreases from 0.5 to 0.125 M in one such decomposition. When the concentration of H_2O_2 reaches 0.05 M, the rate of formation of O_2 will be