Three metals, $$$L, M$$$ and $$$N$$$, are added separately to dilute hydrochloric acid and cold water. The results are shown. What is the order of reactivity of the metals?

Chemistry

IGCSE&ALevel

CAIE

Exam No：0620_s24_qp_11 Year：2024 Question No：27

Answer:

Knowledge points:

9.4.1. State the order of the reactivity series as: potassium, sodium, calcium, magnesium, aluminium, carbon, zinc, iron, hydrogen, copper, silver, gold

9.4.2.1. potassium, sodium and calcium with cold water

9.4.2.2. magnesium with steam

9.4.2.3. magnesium, zinc, iron, copper, silver and gold with dilute hydrochloric acid and explain these reactions in terms of the position of the metals in the reactivity series

9.4.3. Deduce an order of reactivity from a given set of experimental results

9.4.4. Describe the relative reactivities of metals in terms of their tendency to form positive ions, by displacement reactions, if any, with the aqueous ions of magnesium, zinc, iron, copper and silver

9.4.5. Explain the apparent unreactivity of aluminium in terms of its oxide layer

Three metals, $$\(L, M\)$$ and $$\(N\)$$, are added separately to dilute hydrochloric acid and cold water. The results are shown. What is the order of reactivity of the metals?

Answer:

Knowledge points:

Solution:

Three metals, $$\(L, M\)$$ and $$\(N\)$$, are added separately to dilute hydrochloric acid and cold water. The results are shown. What is the order of reactivity of the metals?

Answer:

Knowledge points:

Solution:

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