Quelpr
2 marksAcid/Base Equilibria

CAPE Chemistry Unit 1 · 2005 · Paper 1 · Question 9(a)(iii)

Solvent extraction is often applied to isolate products from reaction mixtures.

Briefly explain ONE principle on which solvent extraction is based.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 9(a)(i)Suggest a type of solvent that could be used to isolate an organic product from an aqueous reaction mixture.[1 mark]
  2. 9(a)(ii)Describe TWO properties the solvent should have for this extraction method to work.[2 marks]
  3. 9(b)(i)Suggest a method that would be suitable to extract natural organic compounds from plant material.[1 mark]
  4. 9(b)(ii)Give TWO features of the extraction method suggested in (b)(i) that allow the stated objectives to be achieved.[2 marks]
  5. 9(b)(iii)Explain why the features mentioned in (b)(ii) are essential.[2 marks]

More practice: the rest of this paper · more Acid/Base Equilibria questions · all CAPE Chemistry Unit 1 past papers