Essential Chemistry for IGCSE - The Variety Of Organic Chemicals (Section 6)
1
What are the products of the complete combustion of any hydrocarbon?
Answer(A)
Carbon dioxide and water.
2
Which functional group is characteristic of alcohols?
3
What are the products of the reaction between ethanoic acid and a metal such as magnesium?
Answer(B)
Magnesium ethanoate and hydrogen
4
What type of reaction occurs when an alkene reacts with hydrogen?
5
Which of the following is formed when ethanol undergoes complete combustion?
Answer(B)
Carbon dioxide and water.
6
What are the products when ethanoic acid reacts with magnesium?
7
Which of the following compounds is a carboxylic acid?
8
Which of the following is a common use of alkenes?
Answer(B)
As a reactant in the production of polymers (plastics).
9
Which of the following is a use of ethanol?
10
What is the main purpose of the bromine water test?
Answer(B)
To distinguish between saturated and unsaturated hydrocarbons
11
What name is given to the reaction of an alkene with hydrogen?
12
What is the name of the reaction when an alcohol and a carboxylic acid react to form an ester?
13
Which of the following are true statements about the addition of hydrogen to an alkene?
14
What are the conditions required for the reaction between an alkane and chlorine in the presence of light?
15
What would be the product formed when ethanoic acid reacts with sodium carbonate?
Answer(B)
Sodium ethanoate, water and carbon dioxide
16
What happens when a carboxylic acid reacts with a metal?
Answer(B)
Salt and hydrogen are produced.
17
Which of the following is NOT a use of carboxylic acids?
Answer(D)
To make polymers by addition reaction.
18
Which compound is often used as a fuel?
19
Which of the following are considered 'addition' reactions?
20
Which of the following is a characteristic property of alcohols?
Answer(C)
They contain an -OH functional group.
