Chemistry 5070 · O Level · Group VII properties

Group VII properties — practice question

Lithium is reacted with aqueous zinc iodide. $2\text{Li} + \text{ZnI}_2 \rightarrow 2\text{LiI} + \text{Zn}$
(a)[2]

Explain, using the equation, why this reaction includes both oxidation and reduction.

(b)[1]

Acidified aqueous silver nitrate is put into aqueous zinc iodide. State the observations made.

(c(i))[1]

When aqueous bromine reacts with aqueous zinc iodide a brown solution is formed. Name the products of this reaction.

(c(ii))[1]

Explain why aqueous bromine does not react with aqueous zinc chloride.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: lithium oxidised because it loses electrons

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