LESSON OBJECTIVE: Describe the homologous series of the alcohols and investigate their chemistry through specific reactions.
In this lesson we introduce the homologous series called Alcohols, discuss combustion, halide substitution and sodium reactions and discuss how to test for the presence of a CH3CH(OH)- group. This is lesson ten in our organic chemistry series of Unit 17: Hydroxy compounds (from the Cambridge International AS Chemistry Curriculum (9701) 2019-2021 curriculum).
Learning Outcomes:
(taken from the Cambridge International AS and A Level Chemistry (9701) 2019-2021 curriculum)
17.1 Alcohols
a) recall the chemistry of alcohols, exemplified by ethanol, in the following reactions
(i) combustion
(ii) substitution to halogenoalkanes
(iii) reaction with sodium
b) (i) classify hydroxy compounds into primary, secondary and tertiary alcohols
c) deduce the presence of a CH3CH(OH)– group in an alcohol from its reaction with alkaline aqueous iodine to form tri-iodomethane
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