Question

ПОМОГИТЕ ПОЖАЛУЙСТА!!! реакции этерификации между 1) валериановая кислота + пропиловый спирт 2) Капроновая кислота + амиловый спирт

Answer 1

Ответ:

1) Образуется пропиловый эфир валериановой кислоты (пропилвалерат)

C4H9COOH + C3H7OH [H+] = C4H9C=(O)-O-C3H7 + H2O

2) Образуется амиловый эфир капроновой кислоты ( амилкапронат)

C5H11COOH + C5H11OH [H+] = C5H11C=(O)-O-C5H11 + H2O

Answer 2

Reactions of Esterification

Esterification is a chemical reaction that involves the formation of an ester from a carboxylic acid and an alcohol. This reaction is commonly used in various industries, including the production of fragrances, flavors, and pharmaceuticals.

Let's discuss the reactions of esterification between valerianic acid and propyl alcohol, as well as between caproic acid and amyl alcohol.

Valerianic Acid and Propyl Alcohol

Valerianic acid, also known as pentanoic acid, is a carboxylic acid with the chemical formula C5H10O2. Propyl alcohol, also known as propanol, is an alcohol with the chemical formula C3H8O. When these two compounds react in the presence of an acid catalyst, such as sulfuric acid, an ester called propyl valerate is formed.

The reaction can be represented by the following equation:

Valerianic acid + Propyl alcohol → Propyl valerate + Water

The ester propyl valerate has a fruity odor and is commonly used in the production of perfumes and flavorings.

Caproic Acid and Amyl Alcohol

Caproic acid, also known as hexanoic acid, is a carboxylic acid with the chemical formula C6H12O2. Amyl alcohol, also known as pentanol, is an alcohol with the chemical formula C5H12O. When these two compounds react in the presence of an acid catalyst, such as sulfuric acid, an ester called amyl caproate is formed.

The reaction can be represented by the following equation:

Caproic acid + Amyl alcohol → Amyl caproate + Water

The ester amyl caproate has a fruity odor and is commonly used in the production of perfumes and flavorings.

Conclusion

In summary, the reactions of esterification between valerianic acid and propyl alcohol, as well as between caproic acid and amyl alcohol, result in the formation of esters with fruity odors. These esters are commonly used in the production of perfumes and flavorings.