4(i)
Differentiate between the following pairs based on the criteria given in the bracket:
(a) Acetic acid and Sulphuric acid (number of replaceable hydrogen ion per molecule)
(b) Electrolyte and Metallic conductor (the particles conducting electricity)
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(a)
| Acetic acid | Sulphuric acid |
|---|---|
| Acetic acid (CH3COOH) is a monobasic acid, having only one replaceable hydrogen ion per molecule. | Sulphuric acid (H2SO4) is a dibasic acid, having two replaceable hydrogen ions per molecule. |
(b)
| Electrolyte | Metallic conductor |
|---|---|
| In an electrolyte, electricity is conducted by the movement of ions (cations and anions) in the molten state or in aqueous solution. | In a metallic conductor, electricity is conducted by the movement of free electrons through the metal lattice. |