Experiment 2

Question 1

Soda-lime test is a test for?

Answer 1

(Amide) Nitrogen

Question 2

Beilstein test is a test for?

Answer 2

Halogens

Question 3

Silver Nitrate test is a test for?

Answer 3

Halogens

Question 4

Ferrox test is a test for?

Answer 4

Oxygen

Question 5

Lead Acetate test is a test for?

Answer 5

Sulfur

Question 6

Is monochloroacetic acid positive in the Silver Nitrate test?

Answer 6

Yes

Question 6

Is urea positive in the Soda-Lime test?

Answer 6

Yes

Question 7

Is chloroform positive in the Beilstein test?

Answer 7

Yes

Question 8

Is butanol positive in the ferrox test?

Answer 8

Yes

Question 9

Is naphthalene sol. positive in the ferrox test?

Answer 9

No

Question 9

Is hexane positive in the ferrox test?

Answer 9

No

Question 9

Is benzoic acid sol. positive in the ferrox test?

Answer 9

Yes

Question 10

Is albumin positive in the lead acetate test?

Answer 10

Yes

Question 11

Soda-lime test: What is the color of the litmus paper upon exposing it to the vapor (test compound is urea)?

Answer 11

Blue

Question 12

Soda-lime test: Is the smell of heated urea pleasant or unpleasant?

Answer 12

Unpleasant

Question 13

Beilstein test: What color did the flame turn into (test compound is chloroform)?

Answer 13

Green

Question 14

Beilstein test: The green flame was due to the presence of ______ halides.

Answer 14

Copper Halides

Question 14

Silver Nitrate test: The presence of chlorine in monochloroacetic acid resulted to a ____ precipitate.

Answer 14

White Precipitate

Question 15

Ferrox test: A positive result turns the solution into what color?

Answer 15

Red

Question 16

Lead Acetate test: The presence of sulfur in albumin resulted to a _____ precipitate.

Answer 16

Black

Question 17

Soda-lime test: A pinch of the test compound and ____ ____ is heated in a dry test tube.

Answer 17

Soda Lime

Question 18

Beilstein test: A looped ______ wire and is heated in the Bunsen flame until no more color is imparted on the flame.

Answer 18

Copper Wire

Question 19

Silver nitrate test: 1 mL of 1% ________________ ____ and 1-2 drops of 5% ______ ____ are boiled gently for a few minutes.

Answer 19

Monochloroacetic Acid - Nitric Acid

Question 20

Silver nitrate test: 10% ______ _______ solution is added to the boiled monochloroacetic acid and nitric acid.

Answer 20

Silver Nitrate

Question 21

Ferrox test: A ______ reagent is added to the test compounds.

Answer 21

Ferrox Reagent

Question 22

Lead Acetate test: Add 5 drops of 10% ____ and 2 drops of 5% ____ _______ to 1 mL of 5% albumin.

Answer 22

NaOH - Lead Acetate