Isopentyl valerate is associated with the smell of ripe apples. Write the struct

Question

Isopentyl valerate is associated with the smell of ripe apples. Write the structure for this ester, and write an equation for its saponification. Lactic acid forms when milk is left out in a warm room for several hours. Based on what you have learned in this experiment, give two pieces of evidence indicating that lactic acid is present in "spoiled" milk. Write the structure for lactic acid. On the basis of the odors of various compounds that you observed in this experiment, what types of organic compounds would you expect to be present in blue cheese and limburger cheese? Calcium propionate is present in bread as a preservative. Write the structure for this salt. Write equations to show how you could make calcium propionate. Write equations for the step-by-step ionization of succinic acid in water.

Explanation / Answer

saponification yields Isopentyl alcohol (Isoamyl alcohol) and Pentanoic acid (Valeric acid) will give isoamyl valerate

(CH3)2-CHCH2CH2O(CO)CH2CH2CH2CH3 + H2O + NaOH ---> (CH3)2CHCH2CH2OH + CH3CH2CH2CH2COONa + H2O

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