Question

Name the following:
1. A basic solution which does not contain a metallic element.
2. A normal salt of sodium formed from acetic acid.
3. A base which reacts with an acid to give a salt which on hydrolysis gives a slightly acidic solution.
4. An ion which combines with a polar covalent molecule to form an ammonium ion.
5. Two acids other than sulphuric and nitric acid which may be present in acid rain.

Answer 1

1. Ammonium hydroxide, NH₄OH
​2. Sodium acetate, CH₃COONa it is formed by the reaction of sodium hydroxide with acetic acid.
3. Salt of a strong acid and weak base, e.g. ammonium chloride, NH₄Cl, copper sulphate, CuSO₄, aluminium chloride, AlCl₃
​4. The ion is hydronium ion, H₃O⁺
5. Carbonic acid, H₂CO₃ and Hydrochloric acid, HCl are acids found in acid rain.