iGCSE Chemistry Reactivity Series

Which of the following is the correct order of the reactivity series

• Li, Na, K, Ca, Al, Mg,C, Z, Fe, H, C, Ag, Au

• Al, Mg,C, Z, Fe, H, C, Ag, Au, Li, Na, K, Ca,

• K, Na, Li, Ca, Al, Mg,C, Z, Fe, H, C, Ag, Au

Magnesium reacts with Copper (ii) oxide to produce a vigorous reaction with a bright light. What is the name for this type of reaction?

• Distillation

• Dispersion

• Displacement

_________ is the gain of oxygen

What is the product when formed when magnesium is added to copper (ii) oxide?

Zn(s) + CoO(s) -> ZnO + Co(s)
In the reaction above which metal is higher the reactivity series?

• O

• Co

• Zn

Reduction is the gain of __________

Zn(s) + CuO(s) -> ZnO(s) + Cu(s)

The reaction above is Zn oxidised or reduced?

• oxidised

• reduced

Mg(s) + Zn²⁺(aq) -> Mg²⁺(aq) + Zn(s)

In the following reaction is Mg(s) oxidised or reduced?

• oxidised

• reduced

Displacement reactions are used to find the order of reactivity of metals.

In an experiment, a piece of zinc metal is placed in a beaker containing copper(II) sulfate solution.

What do you observe when zinc is added to copper (ii) sulfate?

• The solution turns from blue colourless

• A pink/brown substance is formed

• Bubbles form

• Hydrogen gas is produced

Magnesium was added to dilute acid. It reacted vigorously. Bubbles of ___________ gas were produced.