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Figure 1: The Hydrolysis Reaction of Acetate: (CITATION Cit19 /L 1033)

The document discusses saponification reactions and chemical kinetics. Saponification is the hydrolysis of an ester using a base, producing an alcohol and sodium salt of a carboxylic acid. The rate of a chemical reaction is defined as how fast the reaction occurs. The rate law links the reaction rate to concentrations or pressures of reactants and rate coefficients. It expresses the reaction rate as proportional to the concentrations of reactants raised to their reaction orders.

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93 views2 pages

Figure 1: The Hydrolysis Reaction of Acetate: (CITATION Cit19 /L 1033)

The document discusses saponification reactions and chemical kinetics. Saponification is the hydrolysis of an ester using a base, producing an alcohol and sodium salt of a carboxylic acid. The rate of a chemical reaction is defined as how fast the reaction occurs. The rate law links the reaction rate to concentrations or pressures of reactants and rate coefficients. It expresses the reaction rate as proportional to the concentrations of reactants raised to their reaction orders.

Uploaded by

Sarah Sanchez
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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Saponification reaction is the hydrolysis of an ester with basic conditions to

produce an alcohol and the sodium salt of carboxylic acid. This term is mostly used in

order to identify reaction which occurs in the alkaline condition with a fat to convert into

soap. So, the hydrolysis of ethyl acetate to produce the sodium salt of acetic acid

(NaOAc), and ethyl alcohol with caustic soda is called as saponification reaction, but

even though the final product was not soap in the [ CITATION Cit19 \l 1033 ]

Figure 1: The hydrolysis reaction of acetate

Chemical kinetics is the part of physical chemistry that studies reaction rates.

The reaction rate or rate of reaction for a reactant or product in a particular reaction is

intuitively defined as how fast a reaction takes place [ CITATION Buc19 \l 1033 ].

Consider a typical chemical reaction:

aA + bB → pP + qQ

According to IUPAC's Gold Book definition the reaction rate (v) for a chemical

reaction occurring in a closed system under constant-volume conditions, without a build-

up of reaction intermediates, is defined as:

−1 d c A −1 d c B 1 d c P 1 d c Q
v= = = =
a dt b dt p dt q dt

The rate law or rate equation for a chemical reaction is an equation which links

the reaction rate with concentrations or pressures of reactants and constant parameters

(normally rate coefficients and partial reaction orders). To determine the rate equation
for a particular system 2 one combines the reaction rate with a mass balance for the

system. For a generic reaction:

A+B→C

the simple rate equation is of the form:

v=k c aA c bB

The concentration is usually in mol/dm and k is the reaction rate coefficient or

rate constant. The exponents a and b are called reaction orders and depend on the

reaction mechanism

Bibliography
Bucsi, A., Oremusova, J., & Uhrikova, D. (n.d.). Farmaceutická fakulta. Retrieved December 12, 2019,
from Univerzita Komenského v Bratislave:
https://www.fpharm.uniba.sk/fileadmin/faf/Pracoviska-
subory/KFCHL/ENG/lectures/Physical_Chemistry/Exercise_8___Kinetics_of_hydrolysis_of_ethyl
_acetate.pdf

Citak, A., & Kivrak, A. (2019). Determination of the Expression Rate of Ethyl Acetate Hydrolysis Reaction
Depending on the. Journal of the Institute of Science and Technology, 382-388. doi:DOI:
10.21597/jist.410336

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