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Chemistry Paper 2 > Alcohol > Flashcards

Alcohol Flashcards

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1
Q

Uses of alcohol (x3)

A

Drinks
Fuel
Solvents

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2
Q

Structural formula methanol

A

CH3OH

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3
Q

Functional group alcohol

A

OH

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4
Q

One way to make alcohols

A

Hydration of alkenes

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5
Q

Advantage of making ethanol from hydration

A

High yield

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6
Q

Conditions for hydration

A

300 degrees

70 atm

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7
Q

Disadvantages of making ethanol from hydration

A

Lots of energy because of high temperature

Ethen is from non renewable crude oil

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8
Q

Second way to make ethanol

A

Fermentation

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9
Q

Conditions fermentation

A

Yeast

30 degrees

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10
Q

Products fermentation

A

Ethanol

Carbon Dioxide

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11
Q

Advantages of fermentation

A

LITTLE ENERGY because low temp

Sugar come from PLANTS so is renewable

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12
Q

Disadvantages of fermentation

A

The solution is aqueous

So need to purify with distillation

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13
Q

Are alcohol soluable in water

A

Yes

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14
Q

As the number of carbon atoms increase the solubility of the alcohol

A

Decreases

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15
Q

Ethanol + sodium

Product

A

Sodium ethoxide + hydrogen

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16
Q

Ethanol + oxidising agent

A 
Ethanoic acid ( carboxylic acid)
Water
17
Q

Combustion of alcohols with air

A

Carbon dioxide water

18
Q

In the reaction to produce ethanol why does the mixture from the separator contain ethanol and water

A

Water vapour and ethanol will condense

Chemistry Paper 2 (16 decks)

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