Quelpr
1 markPhase Separations

CAPE Chemistry Unit 2 · 2016 · Paper 2 · Question 5(b)(ii)

A and B are components of a liquid which forms an azeotropic mixture.

State ONE reason why azeotropes are NOT compounds.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 5(a)(i)State Raoult's law for an ideal mixture of two liquids.[2 marks]
  2. 5(a)(ii)List TWO characteristics of an ideal solution.[2 marks]
  3. 5(b)(i)Define the term 'azeotropic mixture'.[1 mark]
  4. 5(b)(iii)Using the graph showing the composition of a minimum boiling point mixture, explain clearly the result of distilling a mixture of Composition X as indicated.[6 marks]
  5. 5(c)An aqueous solution contains 2.5 g of a compound in 50 cm³ of solution. The partition coefficient of the compound between water and an organic solvent is…[3 marks]

More practice: the rest of this paper · more Phase Separations questions · all CAPE Chemistry Unit 2 past papers