Chemical Tests

Question 1

water solubility

Answer 1

carboxylic acid, phenol, amine

Question 2

cerium

Answer 2

alcohol, phenol

Question 3

DNP

Answer 3

aldehyde, ketone

Question 4

ferric

Answer 4

phenol, ester

Question 5

tollens

Answer 5

aldehyde

Question 6

nitrous acid

Answer 6

amine

Question 7

ferrous hydroxide

Answer 7

nitro group

Question 8

silver nitrate

Answer 8

alkyl halide

Question 9

cerium mechanism

Answer 9

makes colorful complex, fp aromatic amine

Question 10

DNP mechanism

Answer 10

react with hydrazine to make hydrazone, fp benzyl alcohol oxidize to aldehyde

Question 11

ferric mechanism

Answer 11

phenol binds to iron, ester makes something that binds with iron

Question 12

tollens mechanism

Answer 12

aldehyde oxidized to carboxylic acid, redox, silver precipitate

Question 13

nitrous acid mechanism

Answer 13

react with nitrous acid, primary alkyl cold gas, secondary alkyl yellow nitroso, primary aryl warm gas and dye

Question 14

ferrous hydroxide mechanism

Answer 14

nitro reduced to amine, ferric precipitate

Question 15

silver nitrate mechanism

Answer 15

silver halide salt precipitate