Give the structures of A, B and C in the following:
`CH_(3)CHOunderset(H_(2)SO_(4))overset(K_(2)Cr_(2)O_(7))toAoverset(PCl_(5))toBunderset(AlCl_(3))overset(C_(6)H_(6))toC`

H_(3)C-COOHunderset(Delta)overset(P_(2)O_(5))(to)Aoverset(PCl_(5))(to)Bunderset(AlCl_(3))overset(C_(6)H_(6))(to)C, C is-

Give the structures of A, B and C in the following: CH_(3)Mgl+CO_(2)overset("Dry ether")toAoverset(PCl_(5))toBoverset(NH_(3))toC

CH-=CHunderset(HgSO_(4)//H_(2)SO_(4))overset(H_(2)O)to[A]overset(LiAlH_(4)//H)to[B]underset(443 K)overset(H_(2)SO_(4)(conc.))to[C]

A underset(H_(2)SO_(4))overset(K_(2)Cr_(2)O_(7))to (CH_(3))_(2)C=Ooverset(O)toCH_(3) COOH , Here [A] is :

Give the structures of A, B and C in the following reactions: C_6H_5N_2Cl overset(CuCN)to A overset(H_2O //H^(+))toB underset(Delta)overset(NH_3)toC

Give the structure of the compounds in the following reactions CH_(2)=CH-CH_(2)OH overset(CrO_(3).2C_(5)H_(5)N)underset(CH_(2)Cl_(2))rarr[A]underset(H^(+))overset(CH_(3)OH)rarrunderset(C_(5)H_(10)O_(2))([B])underset(("Cold,dil"))overset(KMnO_(4)//OH^(-))rarrunderset((C_(5)H_(12)O_(4)))([C])overset(H_(3)O^(+))rarrunderset((C_(3)H_(6)O_(3)))([D])

Give the structures of A, B and C in the following reactions: C_6H_5NO_2 overset(Fe//HCl) to A underset(273K)overset(HNO_2)to B overset(C_6H_5OH)toC .

C_(6)H_(5)-C-=C-CH_(3)underset(H_(2)SO_(4))overset(HgSO_(4))rarrA