Question

$H_{2}S$ and $S{O}_2$ can be distinguished by

• A. litmus paper
• B. lime water
• C. $Pb(C{H}_{3}COO{)}_2$
• D. HCl

Answer 1

The correct option is C $Pb(C{H}_{3}COO{)}_2$

$H_{2}S+(C{H}_{3}COO{)}_{2}Pb\to Pbs\downarrow +C{H}_{3}COOH$
$H_{2}S$ turns lead acetate paper black