Chemistry

Problem

Consider the following sequence of tests,

M^{n+} + HCl \longrightarrow \text{white precipitate} \xrightarrow{\Delta} \text{water soluble}

The metal ion (

M^{n+}

) would be: a.

Hg^{2+}

Ag^+

Pb^{2+}

Sn^{2+}