MCQ
The correct order of acid strength is
- A$SO_3 < P_2O_3 < SiO_2 < Al_2O_3$
- ✓$Al_2O_3 < SiO_2 < P_2O_5 < SO_3$
- C$Al_2O_3 < SiO_2 < SO_2 < P_2O_3$
- D$SiO_2 < SO_2 < Al_2O_3 < P_2O_5$
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$(I)$ $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\
{C{H_3} - C{H_2} - O - S - C{F_3}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}
\end{array}$
$(II)$ $CH_3-CH_2-O-TsCl$
$(III)$ $\begin{array}{*{20}{c}}
{C{H_3} - CH - C{H_3}} \\
{|\,\,\,\,} \\
{OH\,}
\end{array}$
$(IV)$ $\begin{array}{*{20}{c}}
{C{H_3} - CH - OH} \\
| \\
{{C_6}{H_5}}
\end{array}$
$\xrightarrow[{{H_2}O}]{{B{r_2}}}$
( electron charge $= 1.60\times10^{-19}\, C$)