Quelpr
3 marksAcidic and Basic Character of Organic Compounds

CAPE Chemistry Unit 2 · 2007 · Paper 2 · Question 1(b)(i)

In an experiment to monitor the equilibrium, the mixture contains 0.0389 mol of Br2, 0.0111 mol of Cl2, and 0.0546 mol of BrCl. Given that K_c at 298 K is 6.88, determine whether equilibrium has been attained in the mixture, showing all working.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 1(a)(i)Write the chemical equation for the equilibrium reaction between bromine and chlorine forming BrCl.[1 mark]
  2. 1(a)(ii)Write the expression for the equilibrium constant, K_c.[2 marks]
  3. 1(b)(ii)State TWO precautions that should be taken to ensure the experiment yields accurate results.[2 marks]
  4. 1(b)(iii)Suggest ONE safety measure that should be taken in this experiment.[1 mark]
  5. 1(c)Under what experimental condition would the value of K_c be greater than 6.90, given that the reaction is endothermic?[1 mark]

More practice: the rest of this paper · more Acidic and Basic Character of Organic Compounds questions · all CAPE Chemistry Unit 2 past papers