a) Discuss isomerism in alkanes and alkenes
b) What happens when the following is carried out (give reactions)
I. Acetic acid is reacted with sodium carbonate. The sodium salt of carboxylic acid is then heated with solid sodium hydroxide
II. Propyl bromide is heated with alcoholic caustic potash
III. Propene is oxidized by potassium permanganate (vii)
IV. Ethyne reacts with hydrochloric acid [2.5x4 ]