Displacement reactions (Edexcel GCSE Chemistry): Quizzes

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Displacement reactions
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What do displacement reactions compare?

Reactivity of metals

What type of reactions are displacement reactions also known as?

REDOX reactions

Which element displaces which in a displacement reaction?

More reactive displaces less reactive

What is oxidation?

Loss of electrons

In a displacement reaction, which metal gets oxidised?

The more reactive metal

What is reduction?

Gain of electrons

What happens when ZnZn reacts with CuSO4CuSO₄?

ZnZn displaces CuCu from CuSO4CuSO₄

In Zn+CuSO4ZnSO4+CuZn + CuSO₄ → ZnSO₄ + Cu, what happens to zinc?

ZnZn is oxidised to Zn2+Zn²⁺ ions

What is observed when ZnZn reacts with CuSO4CuSO₄?

Reddish-brown solid, blue fades

What happens when CuCu reacts with ZnSO4ZnSO₄?

No reaction

In the reactivity series, which metals can displace others?

Metals above displace those below

Which is more reactive according to the reactivity series?

MgMg is more reactive than ZnZn

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