1.

Identify (X), (Y) andc (Z) in the given reaction : CH_(3)CHO overset(K_(2)Cr_(2)O_(7))underset(H_(2)SO_(4))to(X) overset(PCl_(5))to(Y)overset(C_(6)H_(6))underset(anh.AlCl_(3))to(Z)

Answer»

`(X)=HCOOH, (Y)=COCl_(2),(Y)=COCl_(2), (Z)=C_(6)H_(5)CL`
`(X)=CH_(3)COOH, (Y)=CH_(3)COCl, (Z)=C_(6)H_(5)COCH_(3)`
`(X)=CH_(3)COOH, (Y)=CH_(3)CH_(2)CH_(2)Cl, (Z)=C_(6)H_(5)CH_(2)CH_(2)CH_(3)`
`(X)=CH_(3)COCH_(3), (Y)=CH_(3)CHClCH_(3), (Z)=C_(6)H_(5)COCH_(3)`

Answer :B


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