C3.5 Organic Chemistry

Question 1

What do all organic molecules contain?

Answer 1

carbon atoms

Question 2

What do all alcohols have?

Answer 2

OH

Question 3

what do all carboxylic acids have?

Answer 3

COOH

Question 4

what do all esters have?

Answer 4

COO

Question 5

Properties of alcohols

Answer 5

solvents (can dissolve organic compounds), perfumes, aftershave

Question 6

What colour flame does ethanol have when it burns?

Answer 6

a clean blue flame

Question 7

alcohols+sodium

Answer 7

=hydrogen + solution (fizzes)

Question 8

ethanol +oxygen

Answer 8

=water+carbon water

Question 9

How is an alcohol oxidised to a carbolylic acid?

Answer 9

when boiled with acidified potassium chromate solution

Question 10

Name an example of a carbolyic acid

Answer 10

ethanoic acid

Question 11

What is a strong acid?

Answer 11

ionises completely

Question 12

What is a weak acid?

Answer 12

doesn’t ionise completely

Question 13

carboxylic acid+ alcohol

Answer 13

=ester+water (with a strong acid catalyst)

Question 14

ethanoic acid+ethanol

Answer 14

ethyl ethanoate+water (sulfuric acid catalyst

Question 15

Disadvantages in consuming alcohol

Answer 15

high blood pressure, heart disease, damage in liver,