0654 Topic C14 Organic Chemistry Quiz

Description

Quiz on 0654 IGCSE Coordinated Sciences Topic C14 Organic Chemistry.
Jeffrey Piggott
Quiz by Jeffrey Piggott, updated more than 1 year ago
Jeffrey Piggott
Created by Jeffrey Piggott almost 8 years ago
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Resource summary

Question 1

Question
Give the molecular formula of decane. [blank_start]C10H22[blank_end]
Answer
  • C10H22

Question 2

Question
Propene can be made by using heat to decompose large alkane molecules into smaller, more useful molecules. This process is known as:
Answer
  • combustion
  • cracking
  • fractional distillation
  • polymerisation

Question 3

Question
Molecules of propene can be combined to form a molecule of poly(propene). Which of these shows part of the structure of a molecule of poly(propene)? [5CH1H_01_que_20150514]
Answer
  • A
  • B
  • C
  • D

Question 4

Question
In the following diagrams, X and Y are atoms of different elements. Which diagram correctly shows the arrangement of outer electrons in a molecule of methane? [0620_w15_qp_13 Q4]
Answer
  • A
  • B
  • C
  • D

Question 5

Question
The diagram shows the flame produced from burning a hydrocarbon, acetylene, in a welding torch. Which gas is X? [0620_w15_qp_13 Q28]
Answer
  • hydrogen
  • methane
  • nitrogen
  • oxygen

Question 6

Question
Carbon monoxide is an air pollutant produced when petrol is burned in a car engine. Why is carbon monoxide considered to be an air pollutant?
Answer
  • It causes climate change.
  • It causes the corrosion of buildings.
  • It is a significant greenhouse gas.
  • It is poisonous.

Question 7

Question
Unwanted vegetation is sometimes placed in a bin where it decays to form compost. This compost can be used to fertilise soils. Which gas is likely to be present in a higher percentage inside the bin than in the air outside the bin?
Answer
  • carbon monoxide
  • methane
  • oxygen
  • sulfur dioxide

Question 8

Question
What are the names of the compounds shown in the reaction scheme at the left? [0620_w15_qp_13 Q35]
Answer
  • A
  • B
  • C
  • D

Question 9

Question
Which row describes the formation of a polymer? [0620_w15_qp_13 Q36]
Answer
  • A
  • B
  • C
  • D

Question 10

Question
Which row shows the correct use of a fraction obtained by the fractional distillation of petroleum? [0620_w15_qp_13 Q37]
Answer
  • A
  • B
  • C
  • D

Question 11

Question
Ethanol can be formed by: 1 fermentation 2 reaction between steam and ethene Which of these processes uses a catalyst? [0620_w15_qp_13 Q38]
Answer
  • A
  • B
  • C
  • D

Question 12

Question
The structures of four compounds are shown. Which are members of the same homologous series? [0620_w15_qp_13 Q39]
Answer
  • W, X, Y and Z
  • W and X only
  • W, Y and Z only
  • X and Z only

Question 13

Question
During the process of cracking hydrocarbons, an [blank_start]....... 1 .......[blank_end] is converted into an [blank_start]....... 2 .......[blank_end] . The presence of an ....... 3 ....... can be shown by a visible reaction with .[blank_start]...... 4 .......[blank_end] .
Answer
  • alkane
  • alkene
  • bromine
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