EXP 12 TEST RESULTS

Question 1

REACTION WITH CONC HCl
aniline

Answer 1

formation of SOLID PRODUCT; formation of SMOKE

Question 2

REACTION WITH BROMINE WATER
aniline

Answer 2

clear colorless w white ppt

Question 3

HINSBERG’S TEST
changes upon addition of HCl:
aniline

Answer 3

formation of ppt

Question 4

HINSBERG’S TEST
changes upon addition of HCl:
n-methyl aniline

Answer 4

formation of ppt

Question 5

HINSBERG’S TEST
changes upon addition of HCl:
N,N-dimethyl aniline

Answer 5

clear colorless

Question 6

REACTION WITH NITROUS ACID
aniline & 1% glycine

Answer 6

formation of effervescence

Question 7

FERROUS HYDROXIDE TEST
nitrobenzene

Answer 7

reddish brown ppt

Question 8

JANOVSKY’S TEST
nitrobenzene

Answer 8

light yellow

Question 9

JANOVSKY’S TEST
picric acid

Answer 9

blood red

Question 10

JANOVSKY’S TEST
2,4-dinitrobenzene

Answer 10

bluish purple

Question 11

NINHYDRIN TEST
1% glycine

Answer 11

blue

Question 12

NINHYDRIN TEST
aniline

Answer 12

golden brown

Question 13

BIURET TEST
urea

Answer 13

purple / pink

Question 14

BIURET TEST
1% albumin

Answer 14

purple

Question 15

BIURET TEST
1% tyrosine

Answer 15

blue

Question 16

BIURET TEST
1% glycine

Answer 16

blue

Question 17

ALKALOID PRECIPITANTS
Dragendorff’s reagent

Answer 17

orange ppt

Question 18

ALKALOID PRECIPITANTS
Mayer’s reagent

Answer 18

cream ppt

Question 19

ALKALOID PRECIPITANTS
Wagner’s reagent

Answer 19

reddish brown ppt

Question 20

ALKALOID PRECIPITANTS
Valser’s reagent

Answer 20

white ppt

Question 21

ALKALOID PRECIPITANTS
Hager’s reagent

Answer 21

yellow ppt