Summary
Summary of carbonyl topic
- Institution
- PEARSON (PEARSON)
Summary of key points in carbonyl section of Edexcel chemistry
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◦oxidation
' ' ALDEHYDES
/ alcohol aldehyde carboxylic acid
_c"
, ,
reduction
-
RCHO R
[ alcohol ,
'
ketone
-
1=0 on end of chain
REDUCTION
↳ both using lithium 1 KETONES
tetrahydridoaluminae-ejliAIH4.li
ALH dry ether
-
RC0R
'
R R
'
CARBONYLS
•
,
-
( =O in middle of
OXIDATION only aldehydes ( =O chain / specified carb
→
acidified potassium orange green
dichromate cr6ᵗ→3ᵗ
BONDING
Fehling 's
deep blue →
nedppf do not form
hydrogen
•
cut " / → cut ' ) bonds to other carbonyls
Benedict 's
◦
can H bond to other
things
Token 's colourless →
( water -
solubility decreases
as C chain increases )
silver mirror
• perm dipole forces
•
London forces
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