Carbohydrates' Test Flashcards

1
Q

what gives positive result for all carbohydrates

A

molisch test and anthrone test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

purpose of molisch’s test

A

to detect the presence of sugar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

principle of molisch’s test

A

dehydration reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

positive result of molisch’s test

A

violet ring at the junction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

purpose of iodine test

A

to detect the presence of starch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

principle of iodine test

A

starch-iodine complex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

reagent of iodine test

A

iodine solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

blue-black solution

A

positive result of iodine test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

to differentiate reducing monosaccharides from reducing polysaccharides

A

purpose of barfoed test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

reduction-oxidation reaction

A

principle of barfoed test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

brick-red ppt

A

positive result of barfoed test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

to check for the presence of reducing sugars

A

purpose of benedicts test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

reduction-oxidation reaction

A

benedicts test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

to detect the presence of pentoses

A

purpose of bial’s orcinol test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

dehydration reaction, condensation reaction

A

principle of bial’s orcinol test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

bluish solution

A

positive result of bial’s orcinol test

17
Q
  • to differentiate between ketose and aldose
  • to detect the presence of ketohexoses
A

seliwanoff test

18
Q

what reacts more rapidly than aldoses

A

ketoses

19
Q

dehydration reaction, condensation reaction

A

principle of seliwanoff

20
Q

cherry-red solution

A

positive result of seliwanoff

21
Q

to detect the presence of galactose

A

purpose of mucic acid

22
Q

oxidation reaction

A

principle of mucic acid test

23
Q

colorless crystal formation

A

positive visible result of mucic acid test