Question

Complete the table given below:

Nature of anode	Nature of Anode	Nature of Cathode	Ions Present in electrolyte	Ions dischange at
				Cathode	Anode
1. Electroplating ions rod with silver
2. Electroplating a copper sheet with nickel
3. Electrorefininig of silver
4. Extraction of potassium from KCl
5. Extraction of alumminium from Al2O3

Answer 1

Nature of anode	Nature of Anode	Nature of Cathode	Ions Present in electrolyte	Ions dischange at
				Cathode	Anode
1. Electroplating ions rod with silver	Sliver	Iron rod	Na+, CN-Ag+	Ag+	Nil
2. Electroplating a copper sheet with nickel	Nickel	Copper sheet	NI2+, SO2-4	NI2+	Nil
3. Electrorefininig of silver	Impure Silver	Pure silver	Ag+, NO-3	Ag+,	Nil
4. Extraction of potassium from KCl	Graphite	Iron	K+ , Cl-	K+	Cl-
5. Extraction of alumminium from Al2O3	Graphite	Graphite	Al3+ O2-	Al3+	O2-