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Alkanes

Description

Quiz on Alkanes for A-Level Chemistry.
Eleanor H
Quiz by Eleanor H, updated more than 1 year ago
Eleanor H
Created by Eleanor H about 8 years ago
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Resource summary

Question 1

Question
Write the correct general formula for Alkanes (no spaces!) C[blank_start]n[blank_end]H[blank_start]2n+2[blank_end]
Image:
5ad50e3e-8f2f-433b-83e4-d6b9872f398d (image/jpeg)
Answer
  • n
  • 2n+2

Question 2

Question
Write the correct general formula for Cycloalkanes (no spaces!) C[blank_start]n[blank_end]H[blank_start]2n[blank_end]
Image:
f0941223-f0a6-442a-b720-7abff89fafdd (image/jpeg)
Answer
  • n
  • 2n

Question 3

Question
Complete these stages of the Fractional Distillation of Crude Oil: Crude oil is vaporised at [blank_start]350[blank_end]C. Crude oil goes into the Fractionating [blank_start]Column[blank_end] and rises up through it. As the crude oil ascends, it cools and the various fractions are drawn off according to their boiling points. [blank_start]Larger[blank_end] fractions don't evaporate at all but run out of the bottom. [blank_start]Smaller[blank_end] fractions are drawn off as [blank_start]gases[blank_end] out of the top of the column.
Image:
97017654-4c52-4b99-8a2c-dce08990c8bb (image/jpeg)
Answer
  • 350
  • 250
  • 1050
  • 750
  • gases
  • liquids
  • solids
  • Column
  • Chimney
  • Tube
  • Pipe
  • Larger
  • Smaller
  • Smaller
  • Larger

Question 4

Question
The possible products of Cracking are:
Image:
7a823ab2-5a40-402d-959b-09f56a434fba (image/jpeg)
Answer
  • a Haloalkane
  • an Alkane
  • an Alkene
  • an Amine

Question 5

Question
Thermal Cracking:
Image:
36b05d7f-0394-47b6-a50b-710f7ff8d78f (image/jpeg)
Answer
  • takes place at high temperatures (1000C)
  • produces a lot of Alkenes
  • requires the presence of a zeolite catalyst
  • requires a slight pressure

Question 6

Question
Catalytic Cracking:
Image:
cd43ccc1-5069-4374-a0dd-2d25b1c15f6f (image/jpeg)
Answer
  • takes place at high temperatures (1000C)
  • requires the presence of a zeolite catalyst
  • requires slight pressure
  • produces a lot of Alkenes

Question 7

Question
Ethene is burnt completely in the presence of oxygen. Select the correct equation for this reaction.
Image:
25d62a54-b5b5-40bc-b9ad-07f98b780f2b (image/jpeg)
Answer

Question 8

Question
Ethene is burnt incompletely in the presence of oxygen to form a gaseous, poisonous product. Select the correct equation for this reaction.
Image:
e7d120a3-b8a1-4cc8-bbb5-f40c11de4bd3 (image/jpeg)
Answer

Question 9

Question
Ethene is burnt incompletely to form a solid product. Select the correct equation for the reaction.
Image:
b81d7c38-6441-482e-8cd2-3c6d7166644a (image/jpeg)
Answer

Question 10

Question
Select all the Greenhouse Gases.
Image:
6b49c93b-abcf-4dde-b159-0cb523718512 (image/jpeg)
Answer
  • Water Vapour
  • Carbon Dioxide
  • Methane
  • Hydrogen

Question 11

Question
Oxides of Nitrogen are produced when high pressure and temperature cause the nitrogen and oxygen atoms in the air to react.
Image:
8d012c44-0f98-4ebd-a683-41ce4a065b09 (image/jpeg)
Answer
  • True
  • False

Question 12

Question
A Photochemical Smog is formed when unburned Hydrocarbons (Volatile Organic Compounds) and Nitrogen Oxides react in the presence of sunlight.
Image:
8a30340c-b390-40d7-a824-09c19d681d47 (image/jpeg)
Answer
  • True
  • False

Question 13

Question
Ground-Level Ozone is a minor component of Photochemical Smog.
Image:
709a0cf6-afeb-4eb9-bc18-ebaa9da708d4 (image/jpeg)
Answer
  • True
  • False

Question 14

Question
Select all the negative effects of Ozone.
Image:
39b393f7-f062-4dae-9fad-7bbdb7d6978e (image/jpeg)
Answer
  • It irritates the eyes
  • It aggravates circulatory problems
  • It causes lung damage
  • It causes skin cancer

Question 15

Question
Which metals could the catalyst in a Catalytic Converter be made of?
Image:
82bfac03-5689-49ae-ba30-af17419df927 (image/jpeg)
Answer
  • Platinum
  • Rhodium
  • Magnesium
  • Palladium
  • Lead
  • Aluminium

Question 16

Question
Which reactions will the catalyst in a Catalytic Converter promote?
Image:
f0a15d53-ec09-45d6-aefc-9908df4a880a (image/jpeg)
Answer
  • Reduction of Nitrogen Oxides
  • Oxidation of unburned Hydrocarbons
  • Oxidation of Carbon Dioxide
  • Reduction of Carbon Monoxide

Question 17

Question
Why do larger hydrocarbons have a higher boiling point than smaller ones?
Image:
f5fa5a7c-e87d-4307-951f-a54b66ca1a9d (image/jpeg)
Answer
  • There are more Van der Waal's forces between the molecules
  • They are heavier
  • There are more atoms to give energy to

Question 18

Question
The alkaline slurry used to remove Sulfur Dioxide from flue gases can be made of:
Image:
82202693-7d5e-44a9-bc45-4f6911255e83 (image/jpeg)
Answer
  • Calcium Carbonate
  • Calcium Oxide
  • Calcium Chloride
  • Calcium Hydroxide

Question 19

Question
Acid Rain is formed when Sulfur Dioxide reacts with the water in the clouds to form Sulfuric Acid.
Image:
ca045b68-3331-4843-9d0a-851d6d2047f8 (image/jpeg)
Answer
  • True
  • False

Question 20

Question
Select all the effects that Acid Rain has on the environment.
Image:
c01bf8bb-a0af-4e3e-8b01-11cdf950ebd3 (image/jpeg)
Answer
  • Destruction of vegetation
  • Corrosion of limestone buildings and statues
  • Alkalisation of lakes
  • Initiation of landslides
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