Oxidation Of Ethyl Benzene Flashcards

1
Q

The reactants are ethylbenzene, KMnO4 and HCL

A

The products are benzoic acid

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2
Q

Ethylbenzene precaution?

A

Flammable

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3
Q

Benzoic acid precaution

A

Corrosive

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4
Q

How long does this reaction run for?

A

90 mins Reflux period

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5
Q

What solvent would be used to recrystallize your product?

A

Water will be used as the solvent

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6
Q

Reflux?

A

Reflux involves heating the chemical reaction for a specific amount of time wow continually calling the vapor produce back into liquid form the vapors are trapped and cooled to return to the reaction flask this will allow the reaction to continue

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7
Q

Why is filter aid used prior to the vacuum filtration of the product

A

The filter eight traps the small particles of MnO2. to it prevents the small particles from clogging the filter paper

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8
Q

What was the purpose of adding HCl

A

The purpose of adding HCl was to convert benzoate benzoic acid

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9
Q

In general in the recrystallization process how do you know how much solvent to use

A

Use between approximately 25 and 50 mL of water as your solvent. You only need enough to dissolve your crude product.

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10
Q

What should be the temperature of the solvent and why

A

The temperature of the solvent should be hot in order to dissolve the product

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11
Q

What does the HCL do?

A

HCL neutralizes the sodium hydroxide (NaOH) and potassium carbonate (k2co3)

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