Trends from 2019 H2 Chemistry Prelim Papers

Hi all,
 Some heterocyclic organic  compounds containing O, N or S atoms have appeared in 2019 H2 Chemistry Prelim Papers.

 So you may wish to read up on lactones, pyrroles or furans only if you have time.

You may search for "lactones" or "furans" or "pyrrole" in wikipedia.


All the best for your examinations!!

Signing off,
:)

Mr Chong

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