• # question_answer Chloroethane reacts with Y to form $NaCl$ and Z. One mole of Z reacts with two moles of HI to form water and iodoethane. Which of the following is Y? A) $C{{H}_{3}}CHO$            B) ${{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}$C)   ${{C}_{2}}{{H}_{5}}ONa$         D)   $C{{H}_{3}}COOH$

$C{{H}_{3}}-C{{H}_{2}}Cl+\underset{(Y)}{\mathop{{{C}_{2}}{{H}_{5}}ONa}}\,\to \underset{(Z)}{\mathop{{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}+}}\,$ $NaCl\xrightarrow{2HI}C{{H}_{3}}-C{{H}_{2}}-I+{{H}_{2}}O$ Hence, the correct option is (a).