Test
0654 C14 Organic Chemistry Quiz
Preguntas del test (25)
1 What is not the correct use of the fraction named?
- AA
- BB
- CC
- DD
2Four organic compounds are listed.
ethane
ethanoic acid
ethanol
ethene
Which bond do all four compounds contain?- AA C–C
- BB C–H
- CC C–O
- DD O–H
3The first three members of a homologous series are shown.
Why do these molecules represent a homologous series?
- Abecause they contain fluorine and carbon atoms
- Bbecause they have saturated bonds
- Cbecause they have the same functional group
- Dbecause they react differently from each other
4Which substances can be obtained by cracking hydrocarbons?
- Aethanol and ethene
- Bethanol and hydrogen
- Cethene and hydrogen
- Dethene and poly(ethene)
5Which reaction is used to make ethanol?
- Aadding steam to ethene
- Baddition polymerisation
- Cfractional distillation of petroleum
- Dreacting ethene with aqueous bromine
6Polymers are long-chain molecules made from small molecules linked together.
Four polymers or types of polymer are listed.
1 carbohydrates
2 nylon
3 proteins
4 Terylene
Which of these polymers or types of polymer are synthetic?- AA 1 and 3
- BB 1 and 4
- CC 2 and 3
- DD 2 and 4
7Which compounds belong to the same homologous series?
- AA ethane and propane
- BB ethanoic acid and ethanol
- CC methane and ethene
- DD propene and ethanoic acid
8The equations for two important processes used to manufacture ethanol are shown.
Which statement is not correct?
- AA Both processes require a catalyst.
- BB Both processes use a starting material obtained from petroleum.
- CC Process 1 shows the production of a renewable fuel.
- DD Process 2 is an addition reaction.
9Part of the label on the packet of a potato product is shown.
Which constituent is a natural polymer?
- AA ethanoic acid
- BB sodium chloride
- CC starch
- DD sugar
10The structures of some organic compounds are shown.
Which compounds belong to the same homologous series?
- AA 1 and 2
- BB 1 and 3
- CC 2 and 3
- DD 3 and 4
11 Sugars and ethene can both be made into ethanol using different reactions.
Which type of reaction is used in each case?
- AA
- BB
- CC
- DD
12Which substances are natural polymers?
- AA
- BB
- CC
- DD
13What is the name of fraction X?
- AA alcohol
- BB fuel oil
- CC naphtha
- DD paraffin
14Which pair of molecules are hydrocarbons?
- AA ethane and ethanol
- BB ethane and ethene
- CC ethanoic acid and ethene
- DD ethanol and ethanoic acid
15Which bond is not present in the structure of ethanol, CH3CH2OH?
- AA C–C
- BB H–H
- CC H–O
- DD O–C
16Which change on the diagram involves combustion?
(Some of the reaction products are not shown on the diagram.)
- AA
- BB
- CC
- DD
17The structures of three molecules are shown.
Which homologous series is NOT represented?
- AA alcohols
- BB alkanes
- CC alkenes
- DD carboxylic acids
18Information about four hydrocarbons is shown.
Which statement is correct?
- AA Hydrocarbon W has the formula CH4 and can be polymerised.
- BB Hydrocarbon X has the formula C2H4 and can be polymerised.
- CC Hydrocarbon Y has the formula C3H6 and can be polymerised.
- DD Hydrocarbon Z has the formula C4H10 and can be polymerised.
19Which structure represents a compound that dissolves in water to form an acidic solution?
- AA
- BB
- CC
- DD
20Which pollutant gas can be produced as a result of incomplete combustion ofoctane, C8H18?
- AA carbon
- BB carbon dioxide
- CC carbon monoxide
- DD methane
21Which compounds are alkanes?
- AA W and X
- BB W and Z
- CC X and Y
- DD Y and Z
22The statements below are about the alcohol homologous series.
The alcohols have the same ......1...... formula.
The alcohols have ......2...... chemical properties because they have the same......3...... .
The melting points of the alcohols ......4...... as the number of carbon atoms increases.
Which words correctly complete gaps 1–4?
- AA
- BB
- CC
- DD
23Which structure represents a compound that dissolves in water to form an acidic solution?
- AA
- BB
- CC
- DD
24The partial structure of an addition polymer is shown.
What is the structure of the monomer used to make this polymer?
- AA
- BB
- CC
- DD
25Which statement about polymers is correct?
- AA Addition polymers are all biodegradable.
- BB Condensation polymers can all be hydrolysed to give amino acids.
- CC Condensation polymers only exist in nature.
- DD Forming addition polymers produces only one product.
Información
- Descripción
- Quiz for 0654 C14 Hydrocarbons topic.
- Autor
- Jeffrey Piggott
- Idioma
- English
- Visitas
- 1.125
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