Potassium bitatrate

Question 1

Chemical Formula

Answer 1

KC4H5O6

Question 2

Common Name

Answer 2

Potassium acid tartrate
Cream of tartar

Question 3

Obtained through?

Answer 3

A byproduct of manufacturing wine during fermentation process

Question 4

Procedures: 1

Answer 4

Dissolve 10g of Potassium bitartrate in 10mL of water

Question 5

Procedure: 2

Answer 5

Add dilute acetic acid until precipitation ceases

Question 6

Procedure 3

Answer 6

Filter off white crystalline precipitate of potassium bitartrate was it with cold 50% alcohol and dry

Question 7

Melting Point

Answer 7

267C (Dec)

Question 8

Color

Answer 8

Colorless, opaque, or white

Question 9

Specific gravity

Answer 9

1.954

Question 10

Odor

Answer 10

Odorless

Question 11

pH level

Answer 11

3.4-3.7 at 20°C

Question 12

Identification Test

Answer 12

Tollens’ test

Question 13

What is Tollen’s test

Answer 13

aka Silver-miror test
Qualitative laboratory used to distinguish between an aldehyde and ketone.

Aldehydes are readily oxidized, while, Ketones are not

Question 14

Why is Potassium bitartrate an excellent replacement for talc

Answer 14

Seeling, Verda and Kidd recommended potassium bitartrate for talcum powder in surgery

Question 15

What happens when Sodium bitartrate mixed with Sodium bicarbonate?

Answer 15

Neutralization reaction occurs because baking soda is a base and tartaric acid is an acid.

Baking soda reacts with tartaric acid and water and gives of carbon dioxide gas, hydrogen gas, and sodium hydroxide (NaOH)

Question 16

Uses of potassium bitartrate?

Answer 16

-mordant in textile dyeing
-galvanic thinning of metals
-reducer of chromium trioxide in mordants in wool
-dusting powders for gloves
-in baking powders and baking mixes
-metal processing agent