The following pictures represent solutions of three salts MA;water molecules have been omitted for clarity.Dotted spheres represent A y - ions;gray spheres represent M x+ ions;black spheres represent oxygen atoms;and unshaded spheres represent hydrogen atoms.
-Which picture represents an acidic salt?

Question

The following pictures represent solutions of three salts MA;water molecules have been omitted for clarity.Dotted spheres represent A y - ions;gray spheres represent M x+ ions;black spheres represent oxygen atoms;and unshaded spheres represent hydrogen atoms. 
-Which picture represents an acidic salt?

Quizplus · Accepted Answer

Picture (2) represents an acidic salt as it has hydrogen atoms that are not part of water molecules, indicating the presence of an acidic hydrogen. Pictures (1) and (3) do not have such hydrogen atoms and therefore do not represent acidic salts.

The Following Pictures Represent Solutions of Three Salts MA;water Molecules