Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
Iodine is reactive than bromine.
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Which factors increase as we move down group 7?
(Select all that apply).
atomic radius
shielding
nuclear charge
tendency to gain electrons
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Which halogen is the strongest oxidising agent?
fluorine
iodine
chlorine
bromine
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What is the charge of halogens when they become negative ions?
+1
-2
-1
+2
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What happens to halogens in redox reactions?
they gain electrons and are reduced
they gain electrons and are oxidised
they lose electrons and are oxidised
they lose electrons and are reduced
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What happens to the oxidising ability of halogens going down group 7?
it decreases
it stays the same
it increases
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What happens when chlorine water is added to an aqueous solution of sodium bromide?
the solution turns pale green
the solution turns purple
the solution turns yellow
the solution remains colourless
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Which statement is correct?
Cl- is oxidised by Br2
F- is oxidised by Cl2
Br- is oxidised by F2
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What type of reaction occurs when halogens react with halides?
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Which property of group 7 elements decrease as we go down group 7?
the oxidising ability of the halogens
the oxidising ability of the halides
the reducing ability of the halogens
the reducing ability of the halides
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