Pre-electrolysis Quiz

A more reactive metal...

• gains electrons more easily

• loses electrons more easily

• shares electrons more easily

A reducing agent...

• loses electrons more easily

• gains electrons more easily

• shares electrons more easily

Which is the most reactive metal?

• Mg

• Fe

• Zn

• Cu

• Al

Which is the strongest reducing agent?

• Mg

• Zn

• Fe

• Cu

• Al

Via what particles do metals conduct electricity?

• Cations

• Anions

• Electrons

• Atoms

Via what particles do aqueous ionic compounds conduct electricity?

• Ions

• Electrons

• Atoms

• Reduction

• Oxidation

• Neither

• Reduction

• Oxidation

• Neither

An incomplete ionic equation is as follows:

 

MnO₄^–(aq) + xH⁺(aq) + 5Fe²⁺(aq) --> Mn^y+(aq) + 4H₂O(l) + 5Fe³⁺(aq)

 

What must be the values of x and y?

• x=4;

  y=1

• x=8;

  y=1

• x=8;

  y=2

• x=8;

  y=4