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What's in a medicine?
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Reactions + reagents
Chemistry > Whats in a medicine?
12 cards
Practicals
Chemistry > Whats in a medicine?
4 cards
Cards (36)
Primary
alcohol
OH group bonded to a
carbon
that's bonded to
one
other carbon
What oxidising agent do you need to oxidise alcohols?
Acidified potassium dichromate
(
VI
)
Primary alcohols are oxidised to
aldehydes
then
carboxylic acid
Secondary alcohols are
oxidised
into
ketones
Tertiary
alcohols aren't
oxidised
Why do alcohols have high boiling points?
They have strong
hydrogen
bonds holding them together
Why are alcohols not very soluble?
The solubility
decreases
as the molecule gets bigger as the influence of the -OH group
decreases
In a primary alcohol when would the aldehyde be
oxidised
into a
carboxylic
acid?
When
excess oxidising
agent is produced
What is the difference between a ketone and an aldehyde?
Aldehyde - The carbonyl group is on the end of an
alkane
chain
Ketone
- The carbonyl group is
within
an alkane chain
Suffix of aldahyde?
al
Suffix of
ketone
?
one
Elimination
reaction
Where a
small
molecule is removed from a large molecule leaving an
unsaturated
molecule
Esterification
The reaction of an
alcohol
with carboxylic acid
What is this functional group?
Carboxylic
acid
What is this functional group?
Aldehyde
What is this functional group
Ketone
What is this functional group
Ester
What is this functional group?
Ether
Test for phenol
Iron (
III
) chloride
Turns
purple
Colour change when acidified potassium dichromate is used as a
oxidising
agent
orange
to
green
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