`0.1M` solution of which of the substances will behave basic?

0.1 M solution of which of the following substances is most acidic ?

0.1 M solution of which of the following substances is most acidic ?

A 0.1 M solution of which substances is most acidic ?

1.0 M solution of which of the following salts is most basic ?

1.0 M solution of which of the following salts is most basic ?

The vapour of a substance behaves as a gas

Consider 0.1 M solutions of two solutes X and Y. The solute X behaves as univalent electrolyte, will the solute Y dimerises in solution. Selected correct statement (s) regarding these solutions:

Consider 0.1 M solutions of two solutes X and Y. The solute X behaves as univalent electrolyte, while the solute Y dimerises in solution. Select correct statement(s) regarding these solutions: