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Chemistry > Alcohols > Flashcards

Alcohols Flashcards

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1
Q

What is the general formula of an alcohol?

A

CnH2n+1OH

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2
Q

What is the functional group alcohols contain?

A

OH-

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3
Q

What are the first 4 alcohols in the homologous series?

A

Methanol, ethanol, propanol, butanol

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4
Q

What happens when ethanol is heated with acidified potassium dichromate?

A

Ethanoic acid is formed

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5
Q

What happens when alcohols are burnt in enough oxygen?

A

They undergo complete combustion - the products are water and carbon dioxide (the alcohol is oxidised in this reaction).

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6
Q

Ethanol + oxygen –>

A

carbon dioxide + water

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7
Q

What do microorganisms sometimes use alcohols for?

A

Energy sources

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8
Q

How do microorganisms use alcohol as energy?

A

They use oxygen in the air to oxidise alcohols - carboxylic acids are made as a by-product.

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9
Q

What does oxidation of ethanol produce?

A

Ethanoic acid

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Chemistry (38 decks)

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