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WAEC Chemistry 2012 Paper

Question : 38

Total: 44

An alkanol can be prepared by the reaction of an alkene with

concentrated tetraoxosulphate (VI) acid
bromine tetrachloroethane
aqueous potassium tetraoxomanganate (VII)
sodium hydroxide solution

Solution:

An alkene reacts with conc. H $_2$ SO $_4$ to yield an alkyl hydrogen tetraoxosulphate (VI). The compound formed undergoes hydrolysis when boiled with water to yield an alcohol.

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