Question

The compound copper(ii) nitrate is a strong electrolyte. write the reaction when solid copper(ii) nitrate is put into water:

Answer 1

Electrolytes dissociate when dissolved in water to produce charged particles known as ions. Copper (II) nitrate $\text{Cu} (\text{NO}_3})_2$ contains copper (II) ions $\text{Cu}^{2+}$ and nitrate $\text{NO}_3^{-}$ ions.

$\text{Cu}(\text{NO}_3)_2 \; (aq) \to \text{Cu}^{2+}\; (aq)+ 2 \; \text{NO}_3^{-}\; (aq)$

As a strong electrolyte $\text{Cu} (\text{NO}_3})_2$ would dissociate completely to release the two kinds of ions. Thus indicate a complete reaction in the equation with the single-headed arrow $\to$.