This question is about the halogens (Group 7) - AQA - GCSE Chemistry - Question 3 - 2015 - Paper 3
Question 3
This question is about the halogens (Group 7).
3 (a) How do the boiling points of the halogens change down the group from fluorine to iodine?
3 (b) Sodium bromide ... show full transcript
Worked Solution & Example Answer:This question is about the halogens (Group 7) - AQA - GCSE Chemistry - Question 3 - 2015 - Paper 3
Step 1
How do the boiling points of the halogens change down the group from fluorine to iodine?
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Answer
The boiling points of the halogens increase as you move down the group from fluorine to iodine due to the increasing molecular size and the resulting increase in van der Waals forces.
Step 2
Write down the symbols of the two ions in sodium bromide.
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Answer
The symbols of the two ions in sodium bromide are Na extsuperscript{+} and Br extsuperscript{-}.
Step 3
Complete the word equation for the reaction.
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