03. ELECTROCHEMISTRY
ELECTROCHEMISTRY

19849 In aqueous solution, strong electrolytes

1 Are partially ionized
2 Do not ionise
3 Ionise almost completely
4 Form polymers
ELECTROCHEMISTRY

19850 An electrolyte

1 Forms complex ions in solution
2 Gives ions only when electricity is passed
3 Possesses ions even in solid state
4 Gives ions only when dissolved in water
ELECTROCHEMISTRY

19851 Electrolytes when dissolved in water dissociates into ions because

1 They are unstable
2 The water dissolves it
3 The force of repulsion increases
4 The forces of electrostatic attraction are broken down by water
ELECTROCHEMISTRY

19852 Electrolyte can conduct electricity because

1 Their molecules contain unpaired electrons, which are mobile
2 Their molecules contain loosely held electrons which get free under the influence of voltage
3 The molecules break up into ions when a voltage is applied
4 The molecules are broken up into ions when the electrolyte is fused or is dissolved in the solvent
ELECTROCHEMISTRY

19849 In aqueous solution, strong electrolytes

1 Are partially ionized
2 Do not ionise
3 Ionise almost completely
4 Form polymers
ELECTROCHEMISTRY

19850 An electrolyte

1 Forms complex ions in solution
2 Gives ions only when electricity is passed
3 Possesses ions even in solid state
4 Gives ions only when dissolved in water
ELECTROCHEMISTRY

19851 Electrolytes when dissolved in water dissociates into ions because

1 They are unstable
2 The water dissolves it
3 The force of repulsion increases
4 The forces of electrostatic attraction are broken down by water
ELECTROCHEMISTRY

19852 Electrolyte can conduct electricity because

1 Their molecules contain unpaired electrons, which are mobile
2 Their molecules contain loosely held electrons which get free under the influence of voltage
3 The molecules break up into ions when a voltage is applied
4 The molecules are broken up into ions when the electrolyte is fused or is dissolved in the solvent
ELECTROCHEMISTRY

19849 In aqueous solution, strong electrolytes

1 Are partially ionized
2 Do not ionise
3 Ionise almost completely
4 Form polymers
ELECTROCHEMISTRY

19850 An electrolyte

1 Forms complex ions in solution
2 Gives ions only when electricity is passed
3 Possesses ions even in solid state
4 Gives ions only when dissolved in water
ELECTROCHEMISTRY

19851 Electrolytes when dissolved in water dissociates into ions because

1 They are unstable
2 The water dissolves it
3 The force of repulsion increases
4 The forces of electrostatic attraction are broken down by water
ELECTROCHEMISTRY

19852 Electrolyte can conduct electricity because

1 Their molecules contain unpaired electrons, which are mobile
2 Their molecules contain loosely held electrons which get free under the influence of voltage
3 The molecules break up into ions when a voltage is applied
4 The molecules are broken up into ions when the electrolyte is fused or is dissolved in the solvent
ELECTROCHEMISTRY

19849 In aqueous solution, strong electrolytes

1 Are partially ionized
2 Do not ionise
3 Ionise almost completely
4 Form polymers
ELECTROCHEMISTRY

19850 An electrolyte

1 Forms complex ions in solution
2 Gives ions only when electricity is passed
3 Possesses ions even in solid state
4 Gives ions only when dissolved in water
ELECTROCHEMISTRY

19851 Electrolytes when dissolved in water dissociates into ions because

1 They are unstable
2 The water dissolves it
3 The force of repulsion increases
4 The forces of electrostatic attraction are broken down by water
ELECTROCHEMISTRY

19852 Electrolyte can conduct electricity because

1 Their molecules contain unpaired electrons, which are mobile
2 Their molecules contain loosely held electrons which get free under the influence of voltage
3 The molecules break up into ions when a voltage is applied
4 The molecules are broken up into ions when the electrolyte is fused or is dissolved in the solvent
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