Organic Chemistry

1. State true or false a) Steam distillation is used to separate immiscible liquids. b) Simple and fractional distillation are used to separate miscible liquids. c) For two miscible liquids, vapor pressure of the mixture will be Ptotal = PoANA + PoBNB. d) For two immiscible liquids, vapor pressure of the mixture will be Ptotal = PoA + PoB.

2. Eugenol is ………….. (a/b/c) a) only terpene b) only phenol c) both terpene and phenol

3. Give vapor pressure values (at 1 atm) for the following. a) Water at 100 oC : b) Eugenol at 250 oC :

4. How will you identify whether you have isolated eugenol?

5. What kind of compounds can be isolated using steam distillation?

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6. What happens if we distill eugenol (bp = 250 oC) directly?

7. Why do we need to extract the distillate with CH2Cl2?

8. Draw the structure of eugenol.