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Aldehydes, Ketones And Carboxylic Acids

Question
CBSEENCH12010122

Give the structures of A, B and C in the following reactions: 

straight i right parenthesis space CH subscript 3 Br space rightwards arrow with KCN on top space straight A space rightwards arrow with LiAlH subscript 4 space on top space straight B space rightwards arrow from 273 space straight K to HNO subscript 2 of space straight C

ii right parenthesis space CH subscript 3 COOH space rightwards arrow from increment to NH subscript 3 of space straight A space rightwards arrow with Br subscript 2 space plus KOH on top space straight B space rightwards arrow with CHCl subscript 3 space plus NaOH on top space straight C

Solution

i)
ii)