AS & A Level Chemistry (9701) — May–June 2024, Paper 22
5 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Complete Table 1.1 using relevant information from the Periodic Table. Table 1.1 nucleon number proton number number of electrons --- --- --- --- Mg²⁺ 24 Al³⁺ 27
Answer this question and get it marked →Separate samples of Na2CO3 and NaHCO3 react with HCl(aq) to produce the same products, as shown in Table 2.1. Table 2.1 reaction equation ΔH / kJ mol⁻¹ --- --- --- 1 Na2CO3 + 2HCl…
Answer this question and get it marked →Describe what is meant by dynamic equilibrium.
Answer this question and get it marked →CH3(CH2)5CHBrCH3 exists as a pair of stereoisomers. Draw the three-dimensional structures of the two stereoisomers of CH3(CH2)5CHBrCH3. R can be used to represent CH3(CH2)5.
Answer this question and get it marked →Compound W has molecular formula C4H10O. It contains only one functional group. Table 5.1 shows the two peaks with the greatest m/e values in the mass spectrum of W. Table 5.1 m/e…
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