Chemistry 5070 · O Level · Ion and ionic bonds

Ion and ionic bonds — practice question

Magnesium is classed as a metal.
(a)[2]

State two properties that are typical of most metals.

(b)[1]

Complete the electronic configuration for a magnesium atom, showing every electron.

(c(i))[3]

Explain, in terms of electron movement, how magnesium bromide is formed when magnesium reacts with bromine.

(c(ii))[1]

Magnesium bromide dissolves in water. Suggest one further physical property of magnesium bromide.

(d)[1]

Deduce the substances produced at the anode and cathode when concentrated aqueous magnesium bromide undergoes electrolysis.

(e(i))[1]

Construct the ionic equation for the reaction of chlorine with aqueous magnesium bromide.

(e(ii))[1]

Explain why aqueous magnesium chloride does not undergo reaction with aqueous bromine.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: conducts electricity or conducts heat

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