Quelpr
3 marksOrganic Chemistry - An Introduction

CSEC Chemistry · January 2009 · Paper 2 · Question 6(b)(i)

Most dyes are classified as direct dyes or mordant dyes.

Compare the mode of action of direct dyes to that of mordant dyes.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)(i)Name TWO types of glass used in and around the home.[2 marks]
  2. 6(a)(ii)Identify the MAIN components for ONE of the types of glass named in (a)(i) above.[2 marks]
  3. 6(a)(iii)a)State ONE property of EACH of the two types of glass named in (a) (i) above.[4 marks]
  4. 6(a)(iii)b)Relate the property to the use of the type of glass.[1 mark]
  5. 6(b)(ii)Suggest why mordant dyes are used when dyeing cotton fabrics.[3 marks]
  6. 6(b)(iii)Suggest a fabric for which direct dyeing can be used.[1 mark]

More practice: the rest of this paper · more Organic Chemistry - An Introduction questions · all CSEC Chemistry past papers