A-Level CAIE Chemistry AS 16.1.1—Preparation of alcohols Question Bank

• Recall preparation of alcohols

- (a) electrophilic addition of steam to an alkene, using H2O(g) and H3PO4 catalyst

- (b) reaction of alkenes with cold dil. acidified potassium manganate( VII) to form a diol

- (c) substitution of a halogenoalkane using NaOH(aq) and heat

- (d) reduction of an aldehyde or ketone using NaBH4 or LiAl H4

- (e) reduction of a carboxylic acid using LiA l H4

- (f) hydrolysis of an ester using dil. acid or dil. alkali and heat