Give the structures and IUPAC names of the products expected from the following reactions.
a) Catalytic reduction of butanal
b) Reaction of propanone with methylmagnesium bromide followed by hydrolysis. 

Explanation

a) Catalytic reduction of butanal give `CH_3CH_2CH_2CH_2OH`. IUPAC name is Butanol-I
  b) Reduction of propanone with methylmagnesium halide, followed by hydrolysis gives `(CH_3)_3COH`. IUPAC name is Methylpropanol-2