Isomerisation
Isomerisation
Isomerisation
of n-alkanes into branched-chain alkanes in which the side-chain is a
methyl group, may be brought about by heating the n-alkane with
aluminium chloride at 300oC, e.g.,
n-butane isomerizes into isobutene.
The
formation of an equilibrium mixture of n- and isobutene from n-butane
with the iso-compound predominating may be explained by the fact that the t-carbonium
ion is more stable than the s-carbonium ion.
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