Group VII the Halogens Quiz

15 Questions

Quiz Description

In gcse chemistry , it is very important for students to know the group VII elements (known as the Halogens). It is important to know the characteristics of the various halogens, from Flouring right down to Astatine.

Halogens are found on group VII of the periodic table. This group is also known as group 17 and it is made up of the chemical elements, Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I) and Astatine (At). The group number of 17 is known as the IUPAC group number. The term “halogens” given to group 7 elements means “Salt former”

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1:

 Which is used in the manufacture of ammonia? 


Correct
  • 1:
    hydrogen
  • 2:
    hydrochloric acid
  • 3:
    chlorine
  • 4:
    sodium hydroxide
2:

 Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? 


Correct
  • 1:
    the colour of the element gets lighter
  • 2:
    the reactivity increases
  • 3:
    the boiling points decrease
  • 4:
    the atoms get larger
3:

 Which is used in the manufacture of paper? 


Correct
  • 1:
    sodium hydroxide
  • 2:
    chlorine
  • 3:
    hydrogen
  • 4:
    silver bromide
4:

 Which is the least reactive halogen listed? 


Correct
  • 1:
    chlorine
  • 2:
    fluorine
  • 3:
    iodine
  • 4:
    bromine
5:

 Which statement is TRUE about the Group 7 Halogens? 


Correct
  • 1:
    only the first one is a gas at room temperature and pressure
  • 2:
    they exist as single atoms at room temperature
  • 3:
    they are good conductors of electricity
  • 4:
    they have low boiling points
6:

 Which is used in the manufacture of disinfectants? 


Correct
  • 1:
    chlorine
  • 2:
    hydrogen
  • 3:
    silver chloride
  • 4:
    hydrochloric acid
7:

 Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? 


Correct
  • 1:
    the reactivity increases
  • 2:
    the melting points decrease
  • 3:
    the boiling points increase
  • 4:
    the atoms get smaller
8:

 Which is a suitable test for the product formed by combining sodium hydroxide and chlorine from the electrolysis of brine (aqueous sodium chloride solution)? 


Correct
  • 1:
    turns universal indicator from green to purple
  • 2:
    bleaches damp blue litmus
  • 3:
    turns red litmus paper blue and bleaches it white
  • 4:
    squeaky pop with lit splint
9:

 Which is a suitable test for the product formed at the positive electrode (+ anode) during the electrolysis of brine (aqueous sodium chloride solution)? 


Correct
  • 1:
    turns universal indicator from green to purple
  • 2:
    squeaky pop with lit splint
  • 3:
    turns universal indicator from green to red
  • 4:
    bleaches damp blue litmus
10:

 Which is used in the manufacture of ceramics? 


Correct
  • 1:
    silver chloride
  • 2:
    sodium hydroxide
  • 3:
    chlorine
  • 4:
    hydrogen
11:

 Which does NOT represent a possible reaction? 


Correct
  • 1:
    chlorine + potassium bromide ==> potassium chloride + bromine
  • 2:
    chlorine + sodium fluoride ==> sodium chloride + fluorine
  • 3:
    fluorine + sodium chloride ==> sodium fluoride + chlorine
  • 4:
    bromine + potassium iodide ==> potassium bromide + iodine
12:

 Which statement is TRUE about the Group 7 Halogens? 


Correct
  • 1:
    they are strong materials when solid
  • 2:
    they have low melting points
  • 3:
    the first three are gases at room temperature and pressure
  • 4:
    they are good conductors of heat
13:

 Which is used in the manufacture of PVC plastic? 


Correct
  • 1:
    hydrogen
  • 2:
    ? hydrochloric acid
  • 3:
    ? sodium chlorate(I)
  • 4:
    chlorine
14:

 Which statement is TRUE about the Group 7 Halogens? 


Correct
  • 1:
    all their vapours are coloured
  • 2:
    they are good conductors of electricity
  • 3:
    they have high boiling points
  • 4:
    they exist as single atoms at room temperature
15:

 Which correctly describes a property of the compound formed when a halogen X (eg Cl, Br, I) combines with an Alkali Metal M (eg Li, Na, K etc.)? 


Correct
  • 1:
    white or colourless solid
  • 2:
    has a low boiling point
  • 3:
    the solid is a good conductor
  • 4:
    will not conduct when liquid or when dissolved in water

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Group VII the Halogens Quiz
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