Question

244. PREPARATION OF SALTS

Direct combination of elements

(b) $\mathrm{Hg}+\mathrm{S}\to$

Answer 1

• Combination reactions are those reactions in which two or more substances combine to form a single substance.
• When Mercury reacts with Sulphur and forms a salt Mercury sulfide.

$\underset{\mathrm{Mercury}}{\mathrm{Hg}\left(\mathrm{l}\right)}+\underset{\mathrm{Sulphur}}{\mathrm{S}\left(\mathrm{s}\right)}\to \underset{\mathrm{Mercury}\mathrm{sulphide}}{\mathrm{HgS}\left(\mathrm{s}\right)}$