Question

Part A: Chemical Tests Benedict's Test carbohydrate final color glucose red frutose red Lactose red Sucrost red Starch red lodine test carbohydrate final color glucose yellow fructose yellow Lactose yellow sucrose yellow Starch dark blue ive/purple Page 1 of 5 Hydrolysis of Starch benedict Solution color final color water blue dark blue Saliva blue/ yellow green Questions A reducing sugar generic term given The structural requirement for oxidation is the presence of an aldehyde hemiacetal in the structure of the a carbohydrate that is oxidized by the Benedict's reagent. fan aldehyde, n alpha hydroxy sone, or a e carbohydrate. Draw the structure of the product of the oxidation monosaccharide Benedict's reagent. Consider the results of the Benedict's tests in the sucrose hydrolysis. Do the results of the Benedict's test indicate that hydrolysis of sucrose has occurred in each case? Explain your answer. 3. Consider the results of the iodine tests i starch hydrolysis. Do the results of the iodine test indicate that hydrolysis of starch has occurred in each case? Explain your answer. Consider the results of the Benedict's tests in the starch hydrolysis. Do the results of the Benedict's test indicate that hydrolysis of starch has occurred in each case? Explain your answer. Hydrolysis of Sucrose In a hydrolysis reaction, water is added to a compound and the compound is split into two or more fragments. What else is necessary a hydrolysis reaction in order for the reaction to appreciable rate? Explain your answer with reference to your experimental data. Solution benedict color water mostly blue/ green 10%. HCI red 6. Draw the Lewis structure of glucose (cyclic form) and the structure of lactose. PIC COLLAGE

Part A: Chemical Tests
Benedict's Test
carbohydrate final color
glucose
red
frutose
red
Lactose
red
Sucrost
red
Starch
red
lodine test
carbohydrate final color
glucose
yellow
fructose
yellow
Lactose
yellow
sucrose
yellow
Starch
dark blue
ive/purple
Page 1 of 5
Hydrolysis of Starch
benedict
Solution
color
final color
water
blue
dark blue
Saliva
blue/
yellow
green
Questions
A reducing sugar generic term given
The structural requirement for oxidation is the presence of an aldehyde
hemiacetal in the structure of the
a carbohydrate that is oxidized by the Benedict's reagent.
fan aldehyde, n alpha hydroxy sone, or a
e carbohydrate. Draw the structure of the product of the oxidation
monosaccharide
Benedict's reagent.
Consider the results of the Benedict's tests in the sucrose hydrolysis. Do the results of the Benedict's
test indicate that hydrolysis of sucrose has occurred in each case? Explain your answer.
3. Consider the results of the iodine tests i
starch hydrolysis. Do the results of the iodine test indicate
that hydrolysis of starch has occurred in each case? Explain your answer.
Consider the results of the Benedict's tests in the starch hydrolysis. Do the results of the Benedict's test
indicate that hydrolysis of starch has occurred in each case? Explain your answer.
Hydrolysis of Sucrose
In a hydrolysis reaction, water is added to a compound and the compound is split into two or more
fragments. What else is necessary
a hydrolysis reaction in order for the reaction to
appreciable rate? Explain your answer with reference to your experimental data.
Solution
benedict color
water
mostly blue/
green
10%. HCI
red
6. Draw the Lewis structure of glucose (cyclic form) and the structure of lactose.
PIC COLLAGE

Added by Paul E.

Question

Please give Ace some feedback