C10

Question 1

what is the homologous series

Answer 1

a family of organic compounds with the same functional group

Question 2

what does complete combustion. of the alkenes produce

Answer 2

carbon dioxide and water

Question 3

how do alkenes react

Answer 3

addition reactions

Question 4

what makes alkenes more reactive than alkanes

Answer 4

there double carbon bond

Question 5

what do alkenes react with

Answer 5

the halogens

Question 6

what happens when an alkene reacts with hydrogen

Answer 6

an alkane is formed

Question 7

what happens when an alkene reacts with steam

Answer 7

alcohol is produced

Question 8

what is the functional group of an alcohol

Answer 8

-OH

Question 9

what is the functional group of carboxylic acids

Answer 9

-COOH

Question 10

what is the functional group for an ester

Answer 10

-COO-

Question 11

why are alcohols used for perfumes and mouthwash

Answer 11

many organic substances dissolve in alcohols

Question 12

how is ethanol manufactured

Answer 12

fermentation in which yeast converts sugar into an aqueous solution of ethanol

Question 13

what do alcohols produce when they are burnt

Answer 13

carbon dioxide and water

Question 14

how can alcohols become carboxylic acids

Answer 14

be oxidised by chemical oxidising agents such as potassium dichromate.

Question 15

what are the properties of carboxylic acids and why

Answer 15

a typical acids because they react to produce carbon dioxide

Question 16

how are carboxylic acids different to other acids

Answer 16

they react with alcohols in the presence of an acid catalyst to produce esters

Question 17

why are some esters used as flavourings

Answer 17

volatile compounds and have distinct smells such as pleasant fruity ones .

Question 18

why are carboxylic acids weak acids

Answer 18

carbon dioxide is given off more slowly when they react with a metal carbonate compared with hydrochloric acid
when ethanoic acid dissolves in water it doesnt ionise completely