C11: Alcohols, Carboxylic Acids and Esters Flashcards Preview

Chemistry iGCSE > C11: Alcohols, Carboxylic Acids and Esters > Flashcards

Flashcards in C11: Alcohols, Carboxylic Acids and Esters Deck (10):
1

Alcohols Functional Group

-O-H

2

Carboxylic Acid Functional Group

-C=O-O-H

3

Ester Functional Group

-C=O-O (CH)

4

Ethanol + Oxygen =

Carbon Dioxide + Water

5

What happens when sodium reacts with alcohols?

> The reaction is similar to that of water, but less vigorous.
> In ethanol the solution formed is sodium ethoxide.
> Emits hydrogen.

6

Ethanol + Oxygen atoms from an oxidising agent =

Ethanoic acid + Water

7

Difference between strong and weak acids.

Strong acids ionise completely in water.
Strong acids therefore have a higher concentration of H+ ions in their solution.

8

What 3 things are needed to make an ester?

> Alcohol
> Carboxylic Acid
> A strong acid catalyst.

9

Carboxylic Acid + Alcohol =

Ester + Water

10

Properties of esters

> Volatile
> Smell distinctive
> Used in perfumes and food flavourings.