Question

Show the dissociation of the following compounds on dissolving in water, with the help of chemical equation and write whether the proportion of dissociation is small or large.

Hydrochloric acid, Sodium chloride, Potassium hydroxide, Ammonia, Acetic acid, Magnesium chloride, Copper sulphate

Answer 1

(i) HCl  \(\underrightarrow{water}\)   H⁺ + Cl^- Dissociation is large

(ii) NaCl \(\underrightarrow{water}\)   Na⁺  + Cl^-  Dissociation is large

(iii) KOH \(\underrightarrow{water}\)   K⁺ + OH^-    Dissociation is large

(iv)  NH₃  \(\underrightarrow{water}\)  NH₄⁺ + OH^- Dissociation is small

(v) CH₃COOH   \(\underrightarrow{water}\)     CH₃COO^-  + H⁺ Dissociation is small

 (vi) MgCl₂  \(\underrightarrow{water}\)   Mg²⁺ + Cl^-    Dissociation is small

 (vii) CuSO₄  \(\underrightarrow{water}\)  Cu⁺² + SO₄^-2 Dissociation is large