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ZIMSEC A-Level Chemistry

6.1.7.3Brønsted-Lowry theory of acids and bases

Brønsted-Lowry theory of acids and bases in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 6.1.7.3.1Apply the Brønsted-Lowry theory to define acids and bases.
  2. 6.1.7.3.2Distinguish strong and weak acids and bases by their extent of dissociation.

Lessons

  • Brønsted-Lowry acids and bases

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Brønsted-Lowry theory of acids and bases: sample question

1 mark

In the reaction HCOX3X−(aq)+HX2O(l)⇌HX2COX3(aq)+OHX−(aq)\ce{HCO3-(aq) + H2O(l) <=> H2CO3(aq) + OH-(aq)}, which species acts as a Brønsted-Lowry base in the forward direction?

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