FINAL 06 - Qualitative Tests for Lipids

Question 1

Test for esters (Test for)

Answer 1

Esters

Question 1

Test for esters (Composition)

Answer 1

6 M HCl, 5% FeCl3.6H2O

Question 2

Test for esters (Positive result)

Answer 2

Burgundy color

Question 3

Acrolein test (Test for)

Answer 3

Degradation product of glycerol

Question 4

Acrolein test (Composition)

Answer 4

KHSO4

Question 5

Acrolein test (Positive result)

Answer 5

Acrid odor

Question 6

Kraut’s test (Test for)

Answer 6

Choline

Question 7

Kraut’s test (Composition)

Answer 7

Bismuth nitrate

Question 8

Kraut’s test (Positive result)

Answer 8

Orange ppt

Question 9

Test for phosphates (Test for)

Answer 9

Phosphates

Question 10

Test for phosphates (Composition)

Answer 10

Ammonium molybdate

Question 11

Test for phosphates (Positive result)

Answer 11

Yellow ppt

Question 12

Liebermann-Burchard test (Test for)

Answer 12

Cholesterol

Question 13

Liebermann-Burchard test (Composition)

Answer 13

H2SO4 + Acetic anhydride

Question 14

Liebermann-Burchard test (Positive result)

Answer 14

Emerald green color

Question 15

Salkowski’s test (Test for)

Answer 15

Cholesterol

Question 16

Salkowski’s test (Composition)

Answer 16

H2SO4

Question 17

Salkowski’s test (Positive result - Upper layer)

Answer 17

Red color

Question 18

Salkowski’s test (Positive result - Lower layer)

Answer 18

Yellow color