Clove oil is produced by steam distillation of cloves. The basic extraction of c
ID: 901605 • Letter: C
Question
Clove oil is produced by steam distillation of cloves. The basic extraction of clove oil to obtain eugenol leaves behind most of the other organic products.
a. What types of organic compounds will not steam distill?
b. Which of the following would be true of any materials that steam distilled with eugenol, but remained behind when extracted with base?
T/F They might contain large numbers of -OH functional groups. (Explain)
T/F They might contain -CO2H groups. (Explain)
T/F There could be long-chain hydrocarbons (alkenes/alkenes) (Explain)
T/F Methyl eugenol could be present (Explain in words and use the diagram of methyl eugenol drawn below)
O) methyl eugenolExplanation / Answer
a. What types of organic compounds will not steam distill?
Eugenol is a phenol and the other neutral compounds which are present with Eugenol are hydrocarbons ; add NaOH to make the Na salt and it will be soluble in water whereas the other compounds like caryophyllene will not soluble in polar solvent water.Hence hydrocarbons and neutral compounds will not steam distill.
b. Which of the following would be true of any materials that steam distilled with eugenol, but remained behind when extracted with base?
T/F They might contain large numbers of -OH functional groups. (Explain)
F, large numbers of -OH functional groups also will steam distill as sodium salt.
T/F They might contain -CO2H groups. (Explain)
F; -CO2H groups also will steam distill as sodium salt.
T/F There could be long-chain hydrocarbons (alkenes/alkenes) (Explain)
T, because long-chain hydrocarbons will not from salt with NaOH.
T/F Methyl eugenol could be present (Explain in words and use the diagram of methyl eugenol drawn below)
T as sodium salt because it is a phenol with form sodium salt with NaOH
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