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Problem 6.50

Expert-verified
Organic Chemistry
Found in: Page 244

Short Answer

The conversion of acetyl chloride to methyl acetate occurs via the following two-step mechanism:

a. Add curved arrows to show the movement of the electrons in each step.

b. Write the rate equation for this reaction, assuming the first step is rate-determining.

c. If the concentration of were increased 10 times, what would happen to the rate of the reaction?

d. If the concentrations of both and were increased 10 times, what would happen to the rate of the reaction?

e. Classify the conversion of acetyl chloride to methyl acetate as an addition, elimination, or substitution.

Answer

a.

b. The rate equation is:

c. The rate of the reaction also increases by 10 times.

d. The reaction increases by times.

e. The reaction is a substitution reaction.

See the step by step solution

Step by Step Solution

Step-by-Step SolutionStep 1: Movement of electrons

Any reaction that proceeds involve the movement of electrons from one chemical species to another followed by the shifting of atoms or groups. The movement of electrons is shown by the curved arrows in any reaction.

The tail of the arrow is towards the electron donor species. While the head of the arrow indicates the acceptor atom or group.

Step 2: Rate of reaction

The rate of the reaction depends upon the concentration of the reactants present in the solution along with several other factors. The rate determines the speed at which the products are obtained.

Step 3: Explanation

a. The curved arrows indicating the movement of electrons are shown hereunder.

Representation of movement of electrons

b. Assuming the first step to be the rate-determining step, the rate equation is given as:

c. As increases 10 times, the rate of the reaction also increases by 10 times.

d. If the concentration of both- increases by 10 times, the reaction increases by times.

e. Since the chlorine atom leaves acetyl chloride and a methoxide is substituted at its place. The reaction is a substitution reaction.

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