Question

What are $X$ and $Y$ in the following reaction sequence $C _{2} H _{5} OH \ce{->[{ Cl _{2} }]} \underline{X} \ce{->[{ Cl _{2}}]}\underline{Y}$

• A. $C _{2} H _{5} Cl , CH _{3} CHO$
• B. $CH _{3} CHO , CH _{3} CO _{2} H$
• C. $CH _{3} CHO , CCl _{3} CHO$
• D. $C _{2} H _{5} Cl , CCl _{3} CHO$

Answer 1

Answer: (C)

$CH _{3} CHO , CCl _{3} CHO$

Answer 2

$CH _{3} CH _{2} OH + Cl _{2} \ce{->[{-2 HCl }]} \underset{\overset{X}{\text{acetaldehyde}}}{CH _{3} CHO }$
$\ce{->[{-3 HCl }][{3 Cl _{2}}]}\underset{\overset{Y}{\text{chloral}}}{ CCl _{3} CHO}$