A solid element (symbol $Y)$ conducts electricity and forms two chlorides $\mathrm{YCl}_{\mathrm{n}}$…
A solid element (symbol $Y)$ conducts electricity and forms two chlorides $\mathrm{YCl}_{\mathrm{n}}$ (colourless volatile liquid) and $\mathrm{YCl}_{\mathrm{n}-2}$ (a colourless solid). To which one of the following groups of the periodic table does Y belong?
13
14
15
16
Solution
$\mathrm{SnCl}_{4}$ is colourless volatile liquid and $\mathrm{SnCl}_{2}$ is colourless solid Sn conducts electricity and it belongs to 14 group