It takes 10 min for the decomposition of 50% `H_(2)O_(2)`. If the reaction is of first order, the rate constant will be

To calculate the rate of decomposition of H_(2)O_(2) in an aqueous solution , a certain volume of the aqueous solution of H_(2)O_(2) is pipetted out and titrated against KMnO_(4) solution at different interval of time . Intervals The observations are given below : {:(Time ("in min"),0,5,10,20),("Volume of "KMnO_(4)("inML"),46.2,37.1,29.8,19.6):} Show that the decomposition of H_(2)O_(2) in aqueous solution is a first order reaction and calculate its rate constant .

The decomposition of H_(2)O_(2) is a first order reaction. Calculate the half life time and rate constant for the decomposition from the fact that the fraction decomposed in 50 minutes is 0.75

The decomposition of H_(2)O_(2) is a first order reaction . The rate constant of the reaction can be expressed as logk=14.34-(1.25xx10^(4))/(T) . Calculate the activation energy of the reaction . At what temperature does the half-life of the reaction become 265min?

Aqueous hydrogen peroxide decomposes to H_2O[l] and O_2[g] in a reaction that is of first order in H_2O_2 and has a rate constant (K) = 1.06xx10^-3 min^-1 How long it will it take 15% of a sample of H_2O_2 to decompose?

Aqueous hydrogen peroxide decomposes to H_2O[l] and O_2[g] in a reaction that is of first order in H_2O_2 and has a rate constant (K) = 1.06xx10^-3 min^-1 How long it will take 85% of a sample of H_2O_2 to decompose?

The first order decomposition of H_(2)O_(2) in an appropriate medium is characterised by a rate constant of 0.2303min^(-1) . What is the time (in min) required to complete 9//10 fraction of the reaction?

A first order reaction takes 10min to complete 40% of the reaction. Another first order reaction requires 15min to complete 60% of the reaction. Calculate the ratio of the rate constants of the two reactions.

Hydrogen peroxide H_(2)O_(2) (aq) decomposes to H_(2)O (l) and O_(2) (g) in a reaction that is first order in H_(2)O_(2) and has a rate constant k=1.06xx10^(3) min^(-1) (i) How long will it takes for 15% of a sample of H_(2)O_(2) to decompose? (ii) How long will it take for 87.5% of the sample to decompose?