Chemistry 5070 · O Level · Redox

Redox — practice question

Titanium can be produced by heating titanium(IV) chloride, $\text{TiCl}_4$, together with magnesium.
(a)[1]

Construct the equation that shows this reaction.

(b)[2]

Explain why this reaction includes both oxidation and reduction.

(c)[3]

What mass of titanium is obtained from 125 g of titanium(IV) chloride?

(d)[1]

Which metal is less reactive, magnesium or titanium? Explain your answer.

(e)[2]

Titanium(IV) chloride is a liquid with a low boiling point of $126\,^{\circ}\text{C}$. Suggest the structure and bonding in titanium(IV) chloride.

(f)[1]

Explain how titanium metal conducts electricity.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: Balanced equation: TiCl₄ + 2Mg → 2MgCl₂ + Ti

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