Substitution reactions of Alcohols to form Haloalkanes A mixture of a halide ions with concentrated acid NaCl + H2SO4 can used for substituting a halogen on to an alcohol CH3CH2OH + HCl CH3CH2Cl + H2O Various other halogenating compounds can be used to substitute the –OH group for a halogen NaCl + H2SO4 NaHSO4 + HCl Reaction: Alcohol Haloalkane Reagents: Concentrated Sulphuric and sodium halide
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4.2.1 Alcohols
(e) substitution with halide ions in the presence of acid (e.g. NaBr/H2SO4) to form haloalkanes. Mechanism not required.