EASY
Diploma
IMPORTANT
Earn 100
Identify the direction of movement of electrons and ion flow in the electrolytic cell for the electrolysis of molten aluminium oxide.
Important Questions on Redox Processes
EASY
Diploma
IMPORTANT
State what would be observed at each electrode of the electrolytic cell for the electrolysis of molten aluminium oxide.
EASY
Diploma
IMPORTANT
Discuss, with reference to differences in properties, why aluminium is used to replace iron in many applications.
EASY
Diploma
IMPORTANT
Consider the overall reaction taking place in a voltaic cell.
What is the role of zinc in the cell?
EASY
Diploma
IMPORTANT
EASY
Diploma
IMPORTANT
Consider the following reactions of three unknown metals , and .
no reaction
What is the order of increasing reactivity of the metals (least reactive first)?
EASY
Diploma
IMPORTANT
What is the reducing agent in the reaction below?
.
EASY
Diploma
IMPORTANT
Which changes could take place at the positive electrode (cathode) in a voltaic cell?
I. to .
II. to .
III. to .
EASY
Diploma
IMPORTANT
Metal A is more reactive than metal B. A standard voltaic cell is made as shown figure.
Which statement is correct?