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1 markForces of Attraction

CAPE Chemistry Unit 1 · 2012 · Paper 2 · Question 1(b)(i)

Consider the structure of the following substances: (A) propanone (H3C-C(=O)-CH3), (B) 1-propanol (H3C-C(H)(OH)-C-H), (C) butane (H-C(H)(H)-C(H)(H)-C(H)(H)-C(H)(H)-H).

Place substances A, B and C in order of increasing boiling point (lowest boiling point first).

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Other parts of this question

  1. 1(a)With the aid of an example, define the term 'dative (co-ordinate) covalent bond'.[2 marks]
  2. 1(b)(ii)Identify the intermolecular attractive forces found in EACH of the substances in (b) (i) above.[3 marks]
  3. 1(b)(iii)Describe the origin of TWO of the intermolecular attractive forces named in (b) (ii).[4 marks]
  4. 1(c)Complete Table 1 by indicating whether EACH of the substances, potassium bromide, acetone and solid iodine are soluble or insoluble in the two solvents, water…[5 marks]

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