C10.3 Reactions and use of alcohols Flashcards

1
Q

What is the main use of ethanol?

A

➢ Main alcohol in alcoholic drink

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2
Q

How is Ethanol made by sugars??

A

➢ Made by fermenting sugars from plant materials with yeast and is becoming an important alternative fuel to petrol and diesel - temperature about 30 degrees and a catalyst

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3
Q

What is the equation for the fermentation of ethanol?

A

➢ Glucose (with yeast) makes ethanol + carbon dixoide

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4
Q

How else is ethanol made with steam?

A

➢ Reacting ethene and steam in the presence of a catalyst about 300 degrees

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5
Q

Why are alcohols useful as solvents?

A

➢ Because they can dissolve easily with many other organic compounds

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6
Q

What does the complete combustion of alcohol make?

A

➢ Ethanol + oxygen makes carbon dioxide + water

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7
Q

What is affervesces?

A

➢ Gives off bubbles of gas

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8
Q

What is the chemical equation of the reaction between sodium and ethanol?

A

➢ Sodium + ethanol makes sodium ethoxide + hydrogen

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9
Q

What is another way to oxidise an alcohol by an agent?

A

➢ Adding a chemical oxidising agent

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10
Q

How can ethanoic acid be made from an alcohol?

A

➢ Ethanol + an oxidising agent with contains oxygen atom makes ethanoic acid + water

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11
Q

How else is ethanoic acid made?

A

➢ When ethanol is exposed to air

➢ Microbes in the air produce ethanoic acid from the ethanol

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