lab final

Question 1

melting point analytical method

Answer 1

-purity of solids
-used to compare samples

Question 2

t.l.c. analytical method

Answer 2

-solids
-used for identifying specific known compounds

Question 3

IR analytical method

Answer 3

-solids or liquids
-tells functional groups
-fingerprint

Question 4

gas chromatography

Answer 4

-for liquids
-quantitative

Question 5

recrystallization separation

Answer 5

-purifies a solid with small amount of impurity

Question 6

liquid-liquid extraction separation

Answer 6

-separates ionic (water) from non-ionic (ether)

Question 7

A/B extraction separation

Answer 7

-separates acids and bases from other by making ionic

Question 8

filtration separation

Answer 8

solid

Question 9

distillation separation

Answer 9

-separates liquids with different b.p.
-separates liquids from solids