Chemistry
Give reasons: An aqueous solution of sodium chloride conducts electricity.
Electrolysis
70 Likes
Answer
The ions of sodium chloride are not free but held together by strong electrostatic force of attraction. However in aqueous solution of sodium chloride the ions break lose and move freely. Hence, an aqueous solution of sodium chloride conducts electricity.
Answered By
40 Likes
Related Questions
Identify the weak electrolyte from the following:
- Sodium Chloride solution
- Dilute Hydrochloric acid
- Dilute Sulphuric acid
- Aqueous acetic acid.
Match the following in column A with the correct answer from the choices given in column B.
Column A Column B 1. Ammonium hydroxide soln. Contains only ions. 2. Dilute hydrochloric acid Contains only molecules 3. Carbon tetrachloride Contains ions and molecules Select the correct answer from the list in brackets:
(i) An aqueous electrolyte consists of the ions mentioned in the list. The ion which could be discharged most readily during electrolysis. [Fe2+, Cu2+, H+].
(ii) The metallic electrode which does not take part in an electrolytic reaction. [Cu, Ag, Pt, Ni].
(iii) The ion which is discharged at the anode during the electrolysis of copper sulphate solution using copper electrodes as anode and cathode. [Cu2+, OH1-, SO42-, H+].
(iv) When dilute sodium chloride is electrolysed using graphite electrodes, the cation which is discharged at the cathode most readily. [Na1+, OH1-, H1+, Cl1-].
(v) During silver plating of an article using potassium argentocyanide as an electrolyte, the anode material should be [Cu, Ag, Pt, Fe].
State one appropriate observation for : Electricity is passed through molten lead bromide.