Chemistry 0620 · IGCSE · Simple molecules and covalent bonds

Simple molecules and covalent bonds — practice question

This question focuses on ionic compounds and simple molecular compounds.
(a)[3]

Finish the word equation for the reaction of copper(II) carbonate with nitric acid: copper(II) carbonate + nitric acid → [BLANK] + [BLANK] + [BLANK]

(b)[3]

Describe how to obtain a sample of pure, dry magnesium chloride crystals once the reaction has finished.

(c(i))[2]

Label Fig. 5.1 to indicate the anode and the electrolyte.

(c(ii))[2]

Name the products made at the positive electrode and the negative electrode.

(d)[3]

State which two of the compounds, A, B, C, D and E, are simple molecules. Give two reasons for your answer.

Worked solution & mark scheme

This 13-mark question has a full step-by-step worked solution and mark scheme. One marking point: copper nitrate

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