quiz 2

Question 1

solvent extraction is better if repeated extractions are done using?

Answer 1

small solvent

Question 2

what is the use of ether layer?

Answer 2

to separate organic impurities

Question 3

a mobile phase cannot be a?

Answer 3

solid

Question 4

what is the representation of distribution coefficient?

Answer 4

K

Question 5

most common extraction is with the help of?

Answer 5

ether

Question 6

when using a separatory funnel, what are characteristics of the best solvent mixture to use?

Answer 6

two immiscible solvents
like hexane and methanol

Question 7

why do we use Mgso4 and Na2so4?

Answer 7

a drying agent used in organic layer to bind remaining aqueous solvent

Question 8

substance being dissolved is:

Answer 8

solute

Question 9

substance solute is dissolved is:

Answer 9

solvent

Question 10

what component does extraction not include?

Answer 10

vapor

Question 11

solvent extraction is also called?

Answer 11

liquid liquid extraction

Question 12

solvent extraction is known as

Answer 12

liquid liquid extraction

Question 13

liquid liquid mixture is separated w solvent extraction by adding?

Answer 13

insoluble solvent

Question 14

is it possible to separate multi component solution w the help of two solvents?

Answer 14

yes

Question 15

the method of using solvents is called double solvent?

Answer 15

yes