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7.2 Group 7

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Question 12
F

Three halogens, P, Q and R, are chlorine, bromine and iodine in an unknown order. A solution of each halogen is added to solutions of the potassium halides of the other two. The results are shown.

Halogen addedPotassium halide of PPotassium halide of QPotassium halide of R
Pnot doneno changeno change
Qcolour changenot donecolour change
Rcolour changeno changenot done

Which identification is correct?

[1]
A

P is iodine and Q is chlorine

B

P is chlorine and Q is iodine

C

P is bromine and Q is chlorine

D

P is iodine and Q is bromine

Markscheme

7.2 Group 7 Questions

  1. GCSE
  2. /Chemistry
  3. /7.2 Group 7

41 exam-style questions on Edexcel GCSE Chemistry 7.2 Group 7, covering 7.2.1 Physical properties of the halogens, 7.2.2 Reactions of the halogens, 7.2.3 Relative reactivity and displacement reactions of the halogens, and 7.2.4 Halogen displacement as a redox reaction. Each one has a worked solution and a mark scheme showing where the marks go.

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