Quelpr
2 marksPeriod 3: Sodium to Argon

CAPE Chemistry Unit 1 · 2010 · Paper 2 · Question 6(c)

When aluminium chloride dissolves in water, its solution is acidic.

Account for the acidic nature of the aluminium chloride solution.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)(i)Account for EACH of the following variations in properties across the period Na to Ar. Electronegativity increases across the period.[2 marks]
  2. 6(a)(ii)Account for EACH of the following variations in properties across the period Na to Ar. Melting point of the elements increases from Na to Si.[2 marks]
  3. 6(b)Describe the trend in the acid/base character of the oxides of the elements in Period 3.[3 marks]
  4. 6(d)Transition metals have higher melting points than metals such as calcium in the s-block of the periodic table. Suggest TWO reasons for this.[2 marks]
  5. 6(e)(i)Write an equation to show how EACH of the following reacts with water. P4O10[2 marks]
  6. 6(e)(ii)Write an equation to show how EACH of the following reacts with water. PCl5[2 marks]

More practice: the rest of this paper · more Period 3: Sodium to Argon questions · all CAPE Chemistry Unit 1 past papers