Alkanoates are produced from alkanols by

CHEMISTRY
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Alkanoates are produced from alkanols by

  • A) Esterification
  • B) Fermentation
  • C) Saponification
  • D) Oxidation

Correct Answer: A) Esterification

Explanation

This question is asking how alkanoates are produced from alkanols. Alkanoates are organic compounds that contain a carboxylate group (-COO-) and an alkyl group. They are commonly used in flavorings, fragrances, and as solvents.

The options provided are:

A) Esterification

B) Fermentation

C) Saponification

D) Oxidation

The correct answer is option A, Esterification. Esterification is the process of combining an alcohol and a carboxylic acid to form an ester and water. In this case, an alkanol (an alcohol with an alkyl group) is combined with a carboxylic acid to form an alkanoate and water. This reaction is catalyzed by an acid catalyst such as concentrated sulfuric acid or hydrochloric acid. The general formula for the reaction is:

R-OH + R'-COOH ? R'-COOR + H2O

Where R and R' are alkyl groups.

Fermentation (option B) is a process where microorganisms convert sugars into alcohol and carbon dioxide. Saponification (option C) is a process where fats or oils are hydrolyzed (broken down by water) with the help of a strong base to form soap and glycerol. Oxidation (option D) is a process where a substance loses electrons, resulting in an increase in its oxidation state.

It is important to note that the proper nomenclature for alkanoates is to add the suffix -oate to the stem name of the parent alkane. For example, the alkanoate derived from ethane (C2H6) and acetic acid (CH3COOH) is called ethyl acetate (CH3COOCH2CH3).

In summary, alkanoates are produced from alkanols by esterification, which involves combining an alkanol with a carboxylic acid to form an alkanoate and water, catalyzed by an acid catalyst. Fermentation, saponification, and oxidation are not the correct processes for producing alkanoates from alkanols.



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