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Unformatted text preview: unknown based on the experimental evidence. Part C: Determine the melting range of an unknown compound given by your instructor. The unknown compound is one of the following. Compound Melting Range/°C Compound Melting Range/°C Naphthalene 80-82 4-Methoxybenzoic acid 182-185 Anthracene 216-217 1-Naphthol 95-96 Benzoic acid 122-123 3-Nitroaniline 112-114 Benzophenone 49-51 4-Nitrophenol 112-114 p-Bromoacetanilide 165-169 3-Nitrobenzoic acid 140-143 Cholesterol 147-148 Salicylic acid 159-160 4-Chlorobenzoic acid 239-242 o-Toluic acid 103-105 Cinnamic acid 133-135 p-Toluic acid 180 Part D: Confirm the identity of the unknown compound from Part C by recording a mixed melting point measurement with a reference sample provided by your lab instructor. This is a routine part of any melting point procedure and should always be performed as long as a reference sample is available. You should try to remember this for later experiments....
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- Fall '10
- Chemical substance, Chemical compound, Benzoic acids, aromatic compounds