CHO
(CH
)4
OH
CH OH
2
Oxidation
(CH
)4
OH
CH OH
2
COOH
(CH
)4
OH
COOH
COOH
Oxidation
Saccharic
acid
Gluconic
acid
The exact spatial arrangement of different —OH groups was given
by Fischer after studying many other properties Its configuration is
correctly represented as I So gluconic acid is represented as II and
saccharic acid as III CHO
H
OH
OH
H
H
OH
H
OH
CH2OH
I
COOH
H
OH
OH
H
H
OH
H
OH
CH2OH
II
COOH
H
OH
OH
H
H
OH
H
OH
COOH
III
Glucose is correctly named as D(+)-glucose