Chemistry 9701 · AS & A Level · States of matter

States of matter — practice question

(a)[3]

Complete Table 5.1 by predicting the substance formed at each electrode during electrolysis of the stated electrolyte with inert electrodes.

(b(i))[1]

State the link between the Faraday constant, $F$, and the Avogadro constant, $L$.

(b(ii))[4]

Use the information from (b) together with the data in the table on page 23 to work out a value for the Avogadro constant, $L$. Show every step of your calculation.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: the correct cathode and anode products for electrolysis

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