Q1 of 116 Page 377

What is meant by the following terms? Give an example of the reaction in each case.
Hemiacetal

Hemiacetal:

Hemiacetals are α-alkoxyalcohols.

Aldehyde reacts with one molecule of a monohydric alcohol in the presence of dry HCl gas to from aloxy alcohol, known as hemiacetal.

The following reaction shows the formation of hemiacetal:

What is meant by the following terms? Give an example of the reaction in each case.

Semicarbazone

What is meant by the following terms? Give an example of the reaction in each case.

Aldol

What is meant by the following terms? Give an example of the reaction in each case.

Oxime

What is meant by the following terms? Give an example of the reaction in each case.

Ketal

Questions · 116

12. Aldehydes, Ketones and Carboxylic Acids

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What is meant by the following terms? Give an example of the reaction in each case.Hemiacetal