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(a) Write the structures of A and B in t...

(a) Write the structures of A and B in the following reactions :
(i) `CH_(3)COCl overset(H_2, Pd-BaSO_(4))(to)A overset(H_(2)N-OH)(to)B`
(ii) `CH_(3)MgBr overset(1.CO_(2))underset(2.H_(3)O^+)(to)A overset(PCl_(5))(to)B`
(b) Distinguish between :
(i) `C_(6)H_(5)-COCH_(3) " and "C_(6)H_(5)-CHO`
(ii) `CH_(3)COOH " and " HCOOH`
(c) Arrange the following in the increasing order of their boiling points :
(i) `CH_(3)CHO, CH_(3)COOH, CH_(3)CH_(2)OH`

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