Standards
Benzophenone, cyclohexane, and hexanes.
Procedure
Heat a small sample on a spatula. First, hold the sample near the side of a bunsen burner to see if it melts normally and then burns. Heat it in the flame. Aromatic compounds often burn with a smoky flame.
Positive Test
A sooty yellow flame is an indication of an aromatic ring or other centers of unsaturation
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