Question 50 of 373

What is the end product of the following sequences of operations?

         ${\mathrm{CaC}}_2\stackrel{{\mathrm{H}}_2\mathrm{O}}{\to }$A$\underset{{\mathrm{Hg}}^{2+}}{\overset{\mathrm{Dil}.{\mathrm{H}}_2{\mathrm{SO}}_4}{\to }}$B $\underset{{\mathrm{H}}_2}{\overset{\mathrm{Ni}}{\to }}$C

(a) Methyl alcohol                              (b) Acetaldehyde

(c) ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$                                      (d) ${\mathrm{C}}_2{\mathrm{H}}_4$