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chemistry > Alcohols > Flashcards

Alcohols Flashcards

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1
Q

Write an equation for the process of fermentation

A

C6O12H6 —> 2 C2H5OH + 2CO2

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2
Q

Fermentation in industries is carried out at 25 rather than 35suggest one adavantage and one disadvantage

A

Advantage- ethanol produced at faster rate
Disadvantage- more energy used in the reaction

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3
Q

How does ethanol become ethanoic acid

A

Oxidation

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4
Q

Give two conditions for fermentation apart from anaerobic conditions

A

Enzymes from yeast
30 degrees Celsius

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5
Q

Deduce a half equation for the oxidation of ethanol in water

A

C2H5OH + H2O —> CH3COOH + 4H+ 4e-

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6
Q

In a laboratory how would you oxidise ethanol to ethanoic acid state the colour change

A

Acidified potassium dichromate
Orange to green

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chemistry (16 decks)

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