16362868
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace casi 6 años
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Pregunta 1
Respuesta
-
A
-
B
-
C
-
D
Pregunta 2
Pregunta
Four organic compounds are listed.
ethane
ethanoic acid
ethanol
ethene
Which bond do all four compounds contain?
Respuesta
-
A C–C
-
B C–H
-
C C–O
-
D O–H
Pregunta 3
Pregunta
The first three members of a homologous series are shown.
Why do these molecules represent a homologous series?
Image:
Q3 (binary/octet-stream)
Respuesta
-
because they contain fluorine and carbon atoms
-
because they have saturated bonds
-
because they have the same functional group
-
because they react differently from each other
Pregunta 4
Pregunta
Which substances can be obtained by cracking hydrocarbons?
Respuesta
-
ethanol and ethene
-
ethanol and hydrogen
-
ethene and hydrogen
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ethene and poly(ethene)
Pregunta 5
Pregunta
Which reaction is used to make ethanol?
Respuesta
-
adding steam to ethene
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addition polymerisation
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fractional distillation of petroleum
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reacting ethene with aqueous bromine
Pregunta 6
Pregunta
Polymers 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?
Respuesta
-
A 1 and 3
-
B 1 and 4
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C 2 and 3
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D 2 and 4
Pregunta 7
Pregunta
Which compounds belong to the same homologous series?
Respuesta
-
A ethane and propane
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B ethanoic acid and ethanol
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C methane and ethene
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D propene and ethanoic acid
Pregunta 8
Pregunta
The equations for two important processes used to manufacture ethanol are shown.
Which statement is not correct?
Image:
Q8 (binary/octet-stream)
Respuesta
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A Both processes require a catalyst.
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B Both processes use a starting material obtained from petroleum.
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C Process 1 shows the production of a renewable fuel.
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D Process 2 is an addition reaction.
Pregunta 9
Pregunta
Part of the label on the packet of a potato product is shown.
Which constituent is a natural polymer?
Image:
Q9 (binary/octet-stream)
Respuesta
-
A ethanoic acid
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B sodium chloride
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C starch
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D sugar
Pregunta 10
Pregunta
The structures of some organic compounds are shown.
Which compounds belong to the same homologous series?
Image:
Q10 (binary/octet-stream)
Respuesta
-
A 1 and 2
-
B 1 and 3
-
C 2 and 3
-
D 3 and 4
Pregunta 11
Pregunta
Sugars and ethene can both be made into ethanol using different reactions.
Which type of reaction is used in each case?
Image:
Q11 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 12
Respuesta
-
A
-
B
-
C
-
D
Pregunta 13
Respuesta
-
A alcohol
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B fuel oil
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C naphtha
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D paraffin
Pregunta 14
Pregunta
Which pair of molecules are hydrocarbons?
Respuesta
-
A ethane and ethanol
-
B ethane and ethene
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C ethanoic acid and ethene
-
D ethanol and ethanoic acid
Pregunta 15
Pregunta
Which bond is not present in the structure of ethanol, CH3CH2OH?
Respuesta
-
A C–C
-
B H–H
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C H–O
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D O–C
Pregunta 16
Pregunta
Which change on the diagram involves combustion?
(Some of the reaction products are not shown on the diagram.)
Image:
Q16 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 17
Pregunta
The structures of three molecules are shown.
Which homologous series is NOT represented?
Image:
Q17 (binary/octet-stream)
Respuesta
-
A alcohols
-
B alkanes
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C alkenes
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D carboxylic acids
Pregunta 18
Pregunta
Information about four hydrocarbons is shown.
Which statement is correct?
Image:
Q18 (binary/octet-stream)
Respuesta
-
A Hydrocarbon W has the formula CH4 and can be polymerised.
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B Hydrocarbon X has the formula C2H4 and can be polymerised.
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C Hydrocarbon Y has the formula C3H6 and can be polymerised.
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D Hydrocarbon Z has the formula C4H10 and can be polymerised.
Pregunta 19
Pregunta
Which structure represents a compound that dissolves in water to form an acidic solution?
Image:
Q19 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 20
Pregunta
Which pollutant gas can be produced as a result of incomplete combustion ofoctane, C8H18?
Respuesta
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A carbon
-
B carbon dioxide
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C carbon monoxide
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D methane
Pregunta 21
Respuesta
-
A W and X
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B W and Z
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C X and Y
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D Y and Z
Pregunta 22
Pregunta
The 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?
Image:
Q22 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 23
Pregunta
Which structure represents a compound that dissolves in water to form an acidic solution?
Image:
Q23 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 24
Pregunta
The partial structure of an addition polymer is shown.
What is the structure of the monomer used to make this polymer?
Image:
Q24 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 25
Pregunta
Which statement about polymers is correct?
Respuesta
-
A Addition polymers are all biodegradable.
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B Condensation polymers can all be hydrolysed to give amino acids.
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C Condensation polymers only exist in nature.
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D Forming addition polymers produces only one product.
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