Question

1. Which technique, recrystallization or distillation, would be most likely to separate each of these pairs? Explain your answers in complete sentences.

1.    Butylbenzene         and     1-chloro-2,3,3-trimethylbutane

2. Triiodomethane       and       1-nitro-2-naphthol  

2. For each pair, state whether you could get away with simple distillation or whether you would need fractional distillation. Explain your answers in complete sentences.  

1. ethylcyclohexane and        bromocyclohexane         

2. cyclooctane              and           methyl acetate

2. Is it possible to obtain pure (200-proof) ethanol, using fractional distillation, from a fermentation mixture that contains equal amounts of water and ethanol? Explain your answer.

Answer 1