chapter 14

Question 1

properties of alcohols

Answer 1

-dissolve in water to form a nuetral solution
-react with sodium to produce hydrogen
-burn in air
-are used as fuels and solvents, and ethanol is the main alcohol in acolholic drinks

Question 2

how is ethanoic acid made

Answer 2

-oxidation of ethanol, either by chemical oxidising agents or by microbial action. Ethanoic acid is the main acid in vinegar

Question 3

properties of carboxylic acids

Answer 3

-dissolve in water to produce acidic solutions
-react with carbonates to produce carbon dioxide
-do not ionise completley when dissolved in water and so are weak acids
-aqeous solutions of weak acids have a higher pH value than aqeous solutions of strong acids with the same concentration

Question 4

what are esters

Answer 4

-volatile compounds with distinctic smells and are used as flavorourings and perfumes