PHYTOCHEMICAL TEST

Question 1

DRAGENDORFFS

Answer 1

ALKALOIDS

POTASSIUM BISMUTH IODIDE SOLUTION; ORANGE RED

Question 2

HAGER’S TEST

Answer 2

ALKALOIDS

PICRIC ACID; YELLOW

Question 3

MAYER’S TEST

Answer 3

ALKALOIDS

POTASSIUM MERCURIC IODIDE SOLUTION; WHITISH YELLOW OR CREAM

Question 4

WAGNER’S TEST

Answer 4

ALKALOIDS

IODIDE IN SOLUTION; BROWN/REDDISH

Question 5

MOLISCH TEST

Answer 5

CARBOHYDRATE

alcoholic a-naphthol soln. and conc. sulphuric acid; Purple ring

Question 6

LIBERMANN

Answer 6

PHYTOSTEROLS

ACETIC ANHYDRIDE; BLUSH GREEN

Question 7

SALKOWSKI

Answer 7

PHYTOSTEROLS

SULPHURIC ACID; BROWN RING

Question 8

FERRIC CHLORIDE TEST (P)

Answer 8

PHENOL

FERRIC CHLORIDE SOLN.; BLUISH BLACK

Question 9

LEAD ACETATE TEST

Answer 9

PHENOL

ACETATE SOLN; BULKY WHITE PRECIPITATE

Question 10

FERRIC CHLORIDE TEST (T)

Answer 10

TANNIN

FERRIC CHLORIDE SOLN.; BROWNISH GREEN, BLUISH BLACK

Question 11

LEAD ACETATE TEST (F)

Answer 11

FLAVONOIDS

LEAD ACETATE SOLN; YELLOW

Question 12

ALKALINE REAGENT TEST

Answer 12

FLAVONOIDS

SODIUM HYDROXIDE SOLN.; INTENSE YELLOW

Question 13

MODIFIED BORNRAGERS

Answer 13

GLYCOSIDES

FERRIC CHLORIDE SOLN.; ROSE-PINK COLOR

Question 14

LEGAL

Answer 14

GLYCOSIDES

SODIUM NITROPRUSIDE; RED

Question 15

MILLON’S

Answer 15

PROTEIN

WHITE TO BRICK RED OR DISSAPPEAR

Question 16

XANTHROPORTEIC

Answer 16

PROTEIN

YELLOW

Question 17

NINHYDRIN

Answer 17

PROTEIN

BLUE

Question 18

BIURET

Answer 18

PROTEIN

PINK

Question 19

SALKOWSKI TEST (TERPENOIDS)

Answer 19

TERPNENOIDS; REDDISH BROWN

Question 20

RUTHENIUM RED SOLUTION

Answer 20

GUM AND MUCILAGE

PINK