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If (dx)/(dt)=k[H(3)O^(+)]n and rate be...

If `(dx)/(dt)=k[H_(3)O^(+)]n`
and rate becomes 100 times when pH changes from 2 to 1 Hence order of reactions is

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To solve the problem, we will follow these steps: ### Step 1: Understand the relationship between pH and [H⁺] The concentration of hydrogen ions \([H^+]\) can be calculated from pH using the formula: \[ [H^+] = 10^{-\text{pH}} \] At pH 2: ...
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The order of reaction is an experimentally determined quanity. It may be zero, poistive, negative, or fractional. The kinetic equation of nth order reaction is k xx t = (1)/((n-1))[(1)/((a-x)^(n-1)) - (1)/(a^(n-1))] …(i) Half life of nth order reaction depends on the initial concentration according to the following relation: t_(1//2) prop (1)/(a^(n-1)) ...(ii) The unit of the rate constant varies with the order but general relation for the unit of nth order reaction is Units of k = [(1)/(Conc)]^(n-1) xx "Time"^(-1) ...(iii) The differential rate law for nth order reaction may be given as: (dX)/(dt) = k[A]^(n) ...(iv) where A denotes the reactant. The rate constant for zero order reaction is where c_(0) and c_(t) are concentration of reactants at respective times.

The rate of a reaction becomes 4 times when temperature is raised from 293 K to 313 K. The activation energy for such reaction would be

The order of reaction is an experimentally determined quanity. It may be zero, poistive, negative, or fractional. The kinetic equation of nth order reaction is k xx t = (1)/((n-1))[(1)/((a-x)^(n-1)) - (1)/(a^(n-1))] …(i) Half life of nth order reaction depends on the initial concentration according to the following relation: t_(1//2) prop (1)/(a^(n-1)) ...(ii) The unit of the rate constant varies with the order but general relation for the unit of nth order reaction is Units of k = [(1)/(Conc)]^(n-1) xx "Time"^(-1) ...(iii) The differential rate law for nth order reaction may be given as: (dX)/(dt) = k[A]^(n) ...(iv) where A denotes the reactant. The half life for a zero order reaction equals

Zn+2H^(o+)rarrZn^(2+)+H_(2) The half-life periof is independent of the concentration of zinc at constant pH . For the constant concentration of Zn , the rate becomes 100 times when pH is decreased form 3 to 2 . Hence,

For the reaction 2X to X_2 , the rate of reaction becomes three times when the concentration of X is increased 27 times. What is the order of the reaction?

(a) Explain the following terms : (i) Order of a reaction (ii) Molecularity of a reaction (b) The rate of a reaction increases four times when the temperature changes from 300 K to 320 K. Calculate the energy of activation of the reaction, assuming that it does not change with temperature. (R = 8.314 J K^(-1) mol^(-1))

The rate of a reaction increases four times when the temperature changes from 300 K to 320 K. Calculate the energy of activation of the reaction, assuming that it does not change with temperature. (R = 8.314 JK^(-1) mol^(-1) )

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