Exercise 02: Methyl Alcohol

Question 1

Three (3) Oxidation Tests

Answer 1

1. Glowing Copper Spiral
2. Potassium Permanganate
3. Potassium Dichromate

Question 2

1. Place _____ of the sample in a small porcelain dish.
2. Plunge the glowing copper spiral into the solution repeatedly for _____. (Heat the copper spiral after use).

Answer 2

Glowing Copper Spiral
1. 1 mL
2. 8-10 times

Question 3

1. Add a few drops of _____ to 1 mL of the sample solution and add 10 drops of concentrated _____.

Answer 3

Potassium Permanganate
1. Potassium Permanganate; Sulfuric Acid

Potassium Dichromate
1. Potassium Dichromate; Sulfuric Acid

Question 4

1. To a few mL of this oxidized solution, add 10 drops of _____ and then 2 drops of _____ and then finally add 10 drops of _____ or 6N sodium hydroxide.

Answer 4

Rimini’s Phenyl-Hydrazine Test
1. 5% Phenyl-Hydrazine Hydrochloride; 0.5% Sodium Nitroprusside; and 20% Sodium Hydroxide

Question 5

1. Mix 2 mL of _____ with 1 mL of potassium hydroxide solution and add the solution to be tested.

Answer 5

Phloroglucinol Test
1. 0.1% Phloroglucinol Solution