A Compound (A) with molecular formula C_(2)H_(3)N on acid hydrolysis gives (B) which reacts with thionylchloride to give compound ( C). Benzene reacts with compound ( C) in presence of anhydrous AlCl_(3) to give compound (D). Compound (D) on reduction gives (E). Identify (A), (B), ( C), (D) and (E). Write the equations.

A Compound (A) with molecular formula C_(2)H_(3)N on acid hydrolysis g

1.	A Compound (A) with molecular formula C_(2)H_(3)N on acid hydrolysis gives (B) which reacts with thionylchloride to give compound ( C). Benzene reacts with compound ( C) in presence of anhydrous AlCl_(3) to give compound (D). Compound (D) on reduction gives (E). Identify (A), (B), ( C), (D) and (E). Write the equations.
Answer» Solution :COMPOUND with molecular formula ` C_(2)H_(3)N " is " CH_(3)CN(A)` acetonitrile or Methylcyanide. `underset(" (A) Methyl cyanide")CH_(3)CN overset(H_(2)O) underset(H^(+))tounderset(" (B) Acetic acid")(CH_(3) COOH) ` Acidhydrolysisof nitriliesgive the correspondingcarboxylicacid. `underset(" (B) Acceticacid") (CH_(3)COOH) + underset("Thionyl chloride")(SoCI_(2)) tounderset("Acetylchloride")( CH_(3)COCI + SO_(2) + HCI` (A) ` CH_(3) CN `= acetonitrile (B) ` CH_(3)COOH` =acetic acid (C) `CH_(3) COCI ` = acetylchloride (D) `C_(6)H_(5)COCH_(3) ` =acetylchloride (E) Depending upon the reducing agent (E) is ` C_(6) H_(5)CHOHCH_(3) to `Phenylmethylcarbinol (OR) ` C_(6)H_(5)CH_(2)CH_(3) to`EthylBenzene