0654 C14 Organic Chemistry Quiz

Descrição

Quiz for 0654 C14 Hydrocarbons topic.
Jeffrey Piggott
Quiz por Jeffrey Piggott, atualizado more than 1 year ago
Jeffrey Piggott
Criado por Jeffrey Piggott quase 6 anos atrás
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Resumo de Recurso

Questão 1

Questão
 What is not the correct use of the fraction named?
Responda
  • A
  • B
  • C
  • D

Questão 2

Questão
Four organic compounds are listed. ethane ethanoic acid ethanol ethene Which bond do all four compounds contain?
Responda
  • A C–C
  • B C–H
  • C C–O
  • D O–H

Questão 3

Questão
The first three members of a homologous series are shown. Why do these molecules represent a homologous series?
Responda
  • 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

Questão 4

Questão
Which substances can be obtained by cracking hydrocarbons?
Responda
  • ethanol and ethene
  • ethanol and hydrogen
  • ethene and hydrogen
  • ethene and poly(ethene)

Questão 5

Questão
Which reaction is used to make ethanol?
Responda
  • adding steam to ethene
  • addition polymerisation
  • fractional distillation of petroleum
  • reacting ethene with aqueous bromine

Questão 6

Questão
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?
Responda
  • A 1 and 3
  • B 1 and 4
  • C 2 and 3
  • D 2 and 4

Questão 7

Questão
Which compounds belong to the same homologous series?
Responda
  • A ethane and propane
  • B ethanoic acid and ethanol
  • C methane and ethene
  • D propene and ethanoic acid

Questão 8

Questão
The equations for two important processes used to manufacture ethanol are shown. Which statement is not correct?
Responda
  • A Both processes require a catalyst.
  • B Both processes use a starting material obtained from petroleum.
  • C Process 1 shows the production of a renewable fuel.
  • D Process 2 is an addition reaction.

Questão 9

Questão
Part of the label on the packet of a potato product is shown. Which constituent is a natural polymer?
Responda
  • A ethanoic acid
  • B sodium chloride
  • C starch
  • D sugar

Questão 10

Questão
The structures of some organic compounds are shown. Which compounds belong to the same homologous series?
Responda
  • A 1 and 2
  • B 1 and 3
  • C 2 and 3
  • D 3 and 4

Questão 11

Questão
 Sugars and ethene can both be made into ethanol using different reactions. Which type of reaction is used in each case?
Responda
  • A
  • B
  • C
  • D

Questão 12

Questão
Which substances are natural polymers?
Responda
  • A
  • B
  • C
  • D

Questão 13

Questão
What is the name of fraction X?
Responda
  • A alcohol
  • B fuel oil
  • C naphtha
  • D paraffin

Questão 14

Questão
Which pair of molecules are hydrocarbons?
Responda
  • A ethane and ethanol
  • B ethane and ethene
  • C ethanoic acid and ethene
  • D ethanol and ethanoic acid

Questão 15

Questão
Which bond is not present in the structure of ethanol, CH3CH2OH?
Responda
  • A C–C
  • B H–H
  • C H–O
  • D O–C

Questão 16

Questão
Which change on the diagram involves combustion? (Some of the reaction products are not shown on the diagram.)
Responda
  • A
  • B
  • C
  • D

Questão 17

Questão
The structures of three molecules are shown. Which homologous series is NOT represented?
Responda
  • A alcohols
  • B alkanes
  • C alkenes
  • D carboxylic acids

Questão 18

Questão
Information about four hydrocarbons is shown. Which statement is correct?
Responda
  • A Hydrocarbon W has the formula CH4 and can be polymerised.
  • B Hydrocarbon X has the formula C2H4 and can be polymerised.
  • C Hydrocarbon Y has the formula C3H6 and can be polymerised.
  • D Hydrocarbon Z has the formula C4H10 and can be polymerised.

Questão 19

Questão
Which structure represents a compound that dissolves in water to form an acidic solution?
Responda
  • A
  • B
  • C
  • D

Questão 20

Questão
Which pollutant gas can be produced as a result of incomplete combustion ofoctane, C8H18?
Responda
  • A carbon
  • B carbon dioxide
  • C carbon monoxide
  • D methane

Questão 21

Questão
Which compounds are alkanes?
Responda
  • A W and X
  • B W and Z
  • C X and Y
  • D Y and Z

Questão 22

Questão
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?
Responda
  • A
  • B
  • C
  • D

Questão 23

Questão
Which structure represents a compound that dissolves in water to form an acidic solution?
Responda
  • A
  • B
  • C
  • D

Questão 24

Questão
The partial structure of an addition polymer is shown. What is the structure of the monomer used to make this polymer?
Responda
  • A
  • B
  • C
  • D

Questão 25

Questão
Which statement about polymers is correct?
Responda
  • A Addition polymers are all biodegradable.
  • B Condensation polymers can all be hydrolysed to give amino acids.
  • C Condensation polymers only exist in nature.
  • D Forming addition polymers produces only one product.

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