Quelpr
2 marksAcid/Base Equilibria

CAPE Chemistry Unit 1 · 2014 · Paper 2 · Question 2(b)(i)

25 cm³ of 0.1 mol dm⁻³ hydrochloric acid is titrated with 0.1 mol dm⁻³ of aqueous ammonia.

In the space below, sketch the curve which is expected to illustrate the changes that take place during titration.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 2(a)(i)State the Brønsted-Lowry theory of acids and bases.[1 mark]
  2. 2(a)(ii)Distinguish between a 'strong acid' and a 'weak acid'.[2 marks]
  3. 2(b)(ii)Suggest an indicator, giving a reason for your choice.[2 marks]
  4. 2(c)(i)Deduce the order of the reaction.[1 mark]
  5. 2(c)(ii)Calculate the rate constant for the decomposition.[2 marks]
  6. 2(d)(i)Magnesium filings were added to the remaining solution at 2(c). What observation is expected?[1 mark]
  7. 2(d)(ii)Outline an alternative experimental method to determine the rate of decomposition of HOX at room temperature.[4 marks]

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