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ZIMSEC A-Level Chemistry

6.4.5Chemistry of Nitrogen and Sulphur

Chemistry of Nitrogen and Sulphur in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Topic69 practice questions3 lessons

Overview

Listed under Applied Chemistry in the topic list, but taught in Form 5 under Inorganic Chemistry in the scope and sequence chart and the competency matrix (8.2).

In this topic

Lessons

  • Nitrogen, ammonia and the ammonium ion

    40 min

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  • The Haber and Contact processes

    45 min

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  • Oxides of nitrogen and sulfur in the environment

    40 min

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Sample question

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

Chemistry of Nitrogen and Sulphur: sample question

1 mark

Why is the Contact process step 2 SOX2(g)+OX2(g)⇌2 SOX3(g)\ce{2SO2(g) + O2(g) <=> 2SO3(g)} carried out at only about 1–2 atm?

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