25.) When water is shaken with pentane, the two liquids separate into two phases

Question

25.) When water is shaken with pentane, the two liquids separate into two phases. Which compound is present in the top phase, and which is prese in the bottom phase? 26.) What do you expect to happen when water is shaken with ethanol (CHaCH2OH)? 27) For each pair of compounds, predict which compound has the higher boiling point. Explain why those compounds have a higher boiling point. a. isopropyl bromide & n-butyl bromide b. isopropyl chloride and tert-butyl bromide c. 1-bromobutane and 1-chlorobutane Spring 2018 Chemistry 18A- Exam 3 Poge 17

Explanation / Answer

25) pentane is less dense than water and hence when you shake the mixture, pentane flats on top of water.

26) Ethanol and water miscible, they mix well with each other.

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