Solid Compounds and their Melting Points

Group A	Group B	Group C
Benzhydrol, 69oC	Benzamide, 133oC	Benzanilide, 163oC
Biphenyl, 69oC	Cinnamic Acid, 133oC	Itaconic Acid, 164oC
Stearic Acid, 70oC	Phenacetin, 134oC	Sulfanilamide, 166oC

Lab Report

TITLE: Recrystallization of an impure solid compound and its

       Identification

Name: (Your Name)                                                                         Unknown #

Date:

Weight of crude Unknown:                                                                                                  gm.

Weight of recrysatallized Unknown:                                                                                   gm.

%  recovery:                                                                                                                        %

Melting Range of Recrystallized Unknown:                                                                        ^oC

Melting Range of Unknown and Standard(s):

Test 1:  Standard/MP________________________________________              ^oC

Test 2:  Standard/MP________________________________________              ^oC

Test 3:  Standard/MP________________________________________              ^oC

Test 4:  Standard/MP________________________________________              ^oC

Test 5:  Standard/MP________________________________________              ^oC

Identify your unknown by name.  Justify your reasoning.