chemistry -- 2

For the hydrolysis of ester reaction in an acidic medium of HCl, the following rate constants
were observed at 25 °C with different concentration values of hydrogen ion (H+
) as following

)x(
] H+
[
M
)y(
K
-1 min
0.025 3.0
0.100 4.5
0.250 7.5
0.550 13.5
(i)- Name the catalyst in this reaction.

(ii)- What is the type of catalysis for this reaction.
.(iii)- Sketch a graph between the concentrations of hydrogen ion (H
+
) and the rate constant (K).

(iv)- Write the rate constant k equation for this reaction.

(v)- Calculate the catalytic coefficient of the hydrogen ion (kH
+).

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For the intermediate compound formation mechanism steps of a bimolecular Homogeneous
catalyzed reactions,


A + B C (Catalyst) P (Products)

A + C (Catalyst) k1 AC* (Intermediate Compound)
k2
AC* + B k3 ABC*(Activated Complex)
ABC* k4 P (Product ) + C (Catalyst)
Explain how the rate of the reaction is directly proportional to the concentration of the catalyst
and all of the reactants by writing the general rate equation in this case and name the type of the
intermediate compound formed
------
See the attached file