ELECTROLYSIS

ELECTROLYSIS

RECALL!

Multiple Select

An electrolytic cell must have an electrical source such as battery

• TRUE

• FALSE

Multiple Choice

X is

• Battery

• Ammeter

• Electrode

• Electrolyte

Multiple Choice

What can be Y?

• Battery

• Ammeter

• Electrode

• Electrolyte

Multiple Select

Electrode connected to the positive terminal of an electrical source is .....

• Anode

• Cathode

Multiple Select

Electrode connected to the negative terminal of an electrical source is .....

• Anode

• Cathode

Multiple Select

Anion is ............... charged ion.

• positive

• negative

Multiple Select

Cation is ............... charged ion.

• positive

• negative

Multiple Select

Solid sodium chloride is an electrolyte.

• TRUE

• FALSE

Multiple Select

Molten sodium chloride is an electrolyte.

• TRUE

• FALSE

Multiple Select

Sodium chloride (NaCl) solution is an electrolyte.

• TRUE

• FALSE

Multiple Select

Choose the correct observation for electrolysis of solid lead (II) bromide.

• Bulb light up

• Bulb does not light up

• Ammeter deflects

• Ammeter does not deflect

Multiple Select

Choose the correct observation for electrolysis of molten lead (II) bromide.

• Bulb light up

• Bulb does not light up

• Ammeter deflects

• Ammeter does not deflect

Fill in the Blank

"During electrolysis molten lead (II) bromide, the bulb light up"

This is because.....(inference)

Electric current can flow when the ......... are free to move to conduct electricity.

Fill in the Blank

What is the operational definition for elctrolysis of molten lead (II) bromide?

Electrolysis is a process where the bulb lights up when lead (II) bromide is molten.

Electrolysis is a process where the ammeter _______ when lead (II) bromide is molten.

ELECTROCHEMICAL SERIES

Multiple Select

Name the ions present in the electrolytic cell

• sodium ion

• sulphate ion

• hydrogen ion

• hydroxide ion

Multiple Select

Which ion will be discharged at the anode?

• sodium ion

• sulphate ion

• hydrogen ion

• hydroxide ion

Multiple Select

Which ion will be discharged at the cathode?

• sodium ion

• sulphate ion

• hydrogen ion

• hydroxide ion