21. An organic compound C2H4O, has two functional isomers A and B. Isomer A changes blue litmus into red and B has fruity smell.
a Give the reaction for the formation of A by using Grignard's reagent.
b) Convert the isomer A into isomerB?
c) Write a suitable test reaction to distinguish A frommethanoic acid.
(2)
(1)
d) Arrange the following in the decreasing order of their acidic strength and give reason for your
answer
CH;COOH, CICH,COOH, FCH,COOH, C.H;COOH
(2)
e) Identify A and B of the following reactions.
(2)