Chemistry WCH11: Rates, Equilibria and Further Organic Chemistry Topical Past Paper Questions
Edexcel A Level Chemistry (WCH11) past-paper questions on Rates, Equilibria and Further Organic Chemistry, free. This topic is frequently examined across 14 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Scientists have isolated a volatile compound responsible for the special smell of babies. This has been identified as alpha-isomethylionone. $ M_{r}=206 $ (a) The mass spectrum of alpha-isomethylionone is shown. m/z (i) Describe how fragments are formed in the mass spectrometer.…
This question is about some copper compounds. (a) Crystals of hydrated copper(II) sulfate, $ CuSO_{4}\cdot5H_{2}O $, lose water when heated, forming anhydrous copper(II) sulfate, $ CuSO_{4} $. $$ \mathrm{CuSO_{4}\bullet5H_{2}O(s)}\;\rightarrow\;\mathrm{CuSO_{4}(s)}\;+\;5\mathrm{H…
This question is about acids and bases. (a) Some $K_{a}$ and $pK_{a}$ values for several weak acids are shown. (i) Complete the table. (2) (2) (ii) The structure of $ C_{5}H_{5}NH^{+} $ is shown. The Earth orbits the Sun in an elliptical path. The distance between the Earth and t…
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