Summary OCR chemistry A A-level organic reactions

, organic equations
1° alcohol
• to
aldehyde
[0]
eg no µ
t
: + →
1120

dish't
acidified potassium dichromate
orange
→
green
• 1° alcohol to
carboxylic acid


eg Mom 2 [0] +
H2O
: + →
µ



acidified potassium dichromate
reflux
• 2° alcohol to ketone
"

É t [0T → + Hao
eg
:




acidified potassium dichromate reflux
•
aldehyde to
carboxylic acid


eg : % + [07 →
on


acidified potassium dichromate reflux
•
carbonyl to alcohol
↑ ↑
eg
: H -




¥
,
- c + 2 [H] → H -
c

titi
-
c -
on



-


NAB Hy provides H
reflux
•
carbonyl to
hydroxy nitrile
OH


% Now
:
+ HCN →
eg
ion )
NACN + has 04 1 forms HCN →
reflux
reduction nitrile
•
of a
OH
eg
:
+ 2112 →

Anna
µ



Ha Ni catalyst
• Nitrile to carboxylic acid

HCl CH Chacha COOH Ntlucl
egi Ctlz CHA Cha CIN +21120 + → +
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