MCQ
Lead pipes are corroded quickly by
- ADil. ${H_2}S{O_4}$
- BConc. ${H_2}S{O_4}$
- ✓Acetic acid
- DWater
$Pb + 2C{H_3}COOH + \frac{1}{2}{O_2} \to Pb{(C{H_3}COO)_2} + {H_2}O$
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$\begin{array}{*{20}{c}}
{HO - C = O\,\,\,\,\,\,\,C{H_3}} \\
{\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{C{H_3} - C = C-C - H} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,N{H_2}\,\,\,\,\,Cl}
\end{array}$
is :
$Al{(OH)_3} + 2{H_3}P{O_3} \to Al(OH){({H_2}P{O_3})_2} + 2{H_2}O$