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Lessons for this topic haven’t been written yet. The objectives below show exactly what the syllabus expects, so you can plan with them in the meantime.
What Cambridge says you should be able to do, in our words. Codes are the topic number plus the objective’s position.
Explain the lack of reactivity of nitrogen, with reference to the strength of its triple bond and its lack of polarity.
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Describe and explain: (a) the basicity of ammonia, using the Brønsted–Lowry theory; (b) the structure of the ammonium ion and its formation by an acid–base reaction; (c) the displacement of ammonia from ammonium salts by an acid–base reaction.
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State and explain the natural and man-made occurrences of oxides of nitrogen and their catalytic removal from the exhaust gases of internal combustion engines.
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Understand that atmospheric oxides of nitrogen (NO and NO₂) can react with unburned hydrocarbons to form peroxyacetyl nitrate, PAN, which is a component of photochemical smog.
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Describe the role of NO and NO₂ in the formation of acid rain, both directly and through their catalytic role in the oxidation of atmospheric sulfur dioxide.
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