MCQ
Which sequence represents the best synthesis of hexanal ?
$\underset{Hexanal}{\mathop{C{{H}_{3\text{ }}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}CH=O}}\,$
- A$1$. $CH_3 CH_2CH_2 CH_2 Br + NaC =CH$
$2$. $H_2O,H_2SO_4,HgSO_4$
- B$\begin{matrix}
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|| \\
1.\,\,C{{H}_{3\text{ }}}C{{H}_{2}}C{{H}_{2}}CH=C{{H}_{2}}+C{{H}_{3}}\,C\,OH \\
\end{matrix}$$2$. $CH_3 MgBr,$ diethyl ether
$3$. $H_3O^+$
$4$. $PCC, CH_2Cl_2$
- C$\begin{matrix}
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|| \\
1.\,\,C{{H}_{3\text{ }}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}\,C\,C{{H}_{3}} \\
\end{matrix}$$\begin{matrix}
\,\,\,\,\,O \\
\,\,\,\,\,|| \\
2.\,\,\,C{{H}_{3}}\,C\,OH \\
\end{matrix}$$3.\, LiAlH_4$
$4.\, H_2O$
$5.\, PCC, CH_2Cl_2$
- ✓$2.\, H_3O^{\oplus}$
$3. \, PCC,CH_2Cl_2$
