Chemistry 9701: EQUILIBRIA Topical Past Paper Questions
Cambridge AS & A Level Chemistry (9701) past-paper questions on EQUILIBRIA, free. This topic is frequently examined across 26 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
(b) A 1.00 mol dm $ ^{-3} $ solution of NaOH(aq) is slowly added to a solution containing ethanedioic acid, HOOCCOOH(aq), until the solution is alkaline. During the addition of NaOH(aq), two organic conjugate acid-base pairs are formed in the mixture. Use the formulas of the spec…
(a) The Group 2 sulfates and the Group 2 chromates show similar trends in solubility. Suggest the trend in the solubility of the Group 2 chromates down the group. Explain your answer. [4] (b) Silver(I) chromate, $ Ag_{2}CrO_{4} $, is sparingly soluble in water. (i) Write an ionic…
Iron is a transition metal in Group 8 of the Periodic Table. (a) (i) Explain why iron has variable oxidation states. [1] (ii) Complete the shorthand electronic configurations of Fe and Fe $ ^{3+} $. Fe [Ar]..... Fe $ ^{3+} $ [Ar]..... (b) An aqueous solution of $ \mathrm{Fe(NO_{3…
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