alcohols

what is the process used to produce alcohols from alkenes
hydration
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what are the conditions for fermentation
low temperature and no oxygen
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what is biofuel
fuel derived from organic matter
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what is a carbon neutral fuel
a fuel that gives out carbon dioxide but also takes it back in
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what is the mechanism used for the reaction ethene with steam
the double bond attacks the ionised H+,carbocation is formed,the lone pairs of electrons on the water molecule attacks the carbocation,bond with hydrogen is broken and electrons move to the oxygen atom
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what are primary alcohols oxidised into
aldehydes
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what are primary alcohols further oxidised into
carboxylic acids
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what are secondary alcohols oxidised into
ketones
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can tertiary alcohols be oxidised
not very easily
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what is the oxidising agent that is used
potassium dichromate
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to make an aldehyde what is needed
less sulphuric acid and less O
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to make a carboxylic acid what is needed
concentrated sulphuric acid and more O
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what are the two chemical tests for aldehydes
Tollens reagent/ silver mirror test and fehlings reagent
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true or false ketones can be oxidised
false
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what happens in the silver mirror test
Ag+ is reduced to Ag
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what happens when fehlings reagent is used
it goes from blue to brick red
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Other cards in this set

Card 2

Front

what are the conditions for fermentation

Back

low temperature and no oxygen

Card 3

Front

what is biofuel

Back

Preview of the front of card 3

Card 4

Front

what is a carbon neutral fuel

Back

Preview of the front of card 4

Card 5

Front

what is the mechanism used for the reaction ethene with steam

Back

Preview of the front of card 5
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