(i)CH MgBr (i)Dil.NaOH (ii) (ii)H O P R -> -> 4-methylpent-3-en-2-one compound P is (KCET 2014)

33. Which one of the following compounds do not give a primary alcohol on reduction? (Guj CET 2014) (a) Propanal (b) Propanoic acid (c) Methyl propanoate (d) Propan-2-one Ketone always produce secondary or tertiary alcohols on reduction. Thus, propan-2-one does not give a primary alcohols on reduction. (푎)퐶퐻3퐶퐻2퐶퐻푂 Propana푙 퐿푖퐴퐼퐻42[퐻] → 퐶퐻3퐶퐻2퐶퐻2푂퐻 Propano푙 (1°푎푙푐표ℎ표푙) (푏)퐶퐻3퐶퐻2퐶푂푂퐻 (Propanoic acid) 퐿푖퐴퐼퐻44[퐻] → 퐶퐻3퐶퐻2퐶퐻2푂퐻 Propano푙 (1°푎푙푐표ℎ표푙) 4 4 LiAIH 3 2 3 Methyl propanoate 3 2 2 3 Propanol (Methanol (1 alcohol) 1 alcohol) LiAIH 3 3 3 3 Propan-2-one Propan-2-ol (2°alcoho