Page 308 - SUBSEC October 2017_Neat

UNIT 2
MODULE 1: THE CHEMISTRY OF CARBON COMPOUNDS (cont’d)

SPECIFIC OBJECTIVES EXPLANATORY NOTES SUGGESTED PRACTICAL
ACTIVITIES

Functional Group Analysis, Reactions and Mechanisms cont’d

Students should be able to:

2.5. explain the steps involved Electrophilic addition of
in the mechanism of bromine and hydrogen
selected chemical reactions bromide to alkenes.
of alkene functional group;
Include movement of
electrons. To be indicated

by curved arrows and fish
hook notation.

2.6. describe selected chemical Reactions of alcohols to Perform experiments
reactions of alcohols; include primary, secondary examining the fragrances
0
0
0
and tertiary (1 , 2 , and 3 produced when different
respectively) with esters are formed.
+
KMnO 4(aq) /H (aq) purple to
colourless with primary and
secondary; no reaction with
tertiary;
+
K 2Cr 2O 7(aq)/H (aq) orange to
green with primary and
secondary; no reaction with
tertiary;
Carboxylic acid (R-COOH);
conc. sulphuric acid. A
solution of I2 and NaOH
(iodoform test).
Equations for reactions of
alcohols with carboxylic acid
and conc. sulphuric acid only
are required.

2.7. describe selected reactions Limited to hydrolysis of
of halogenoalkanes; primary and tertiary
halogenoalkanes using
NaOH(aq). (No elimination
reaction required).

CXC A11/U2/17 39