Chemistry 5070 · O Level · Preparation of salts

Preparation of salts — practice question

Lead(II) nitrate has the formula Pb(NO$_3$)$_2$.
(a)[4]

Describe how to obtain pure lead(II) nitrate crystals from lead(II) oxide, which does not dissolve in water.

(b)[2]

Construct the ionic equation, including state symbols, for the reaction between aqueous potassium iodide and aqueous lead(II) nitrate.

(c(i))[2]

Identify the gas produced at each electrode during the electrolysis of aqueous lead(II) nitrate.

(c(ii))[1]

Construct the equation for the change at the cathode.

(d)[1]

Construct the equation for the thermal breakdown of lead(II) nitrate.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: Add lead(II) oxide in excess

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