CAIE A-Level Chemistry AS 7.1.4 Expressions for Equilibrium Constants QuestionsPractise constructing equilibrium-constant expressions from balanced equations and determining their units using CAIE 9701 AS questions.Syllabus2028–2030CourseChemistry 9701LevelAS
CAIE A-Level Chemistry AS 7.1.4 Expressions for Equilibrium Constants Questions question 1[Maximum number: 1]The units of KcK_{\mathrm{c}}Kc for an equilibrium reaction are mol−1dm3\mathrm{mol}^{-1} \mathrm{dm}^{3}mol−1dm3.What could be the equation for the equilibrium?1 A(aq)+B(aq)⇌C(s)+D(aq)\mathrm{~A}(\mathrm{aq})+\mathrm{B}(\mathrm{aq}) \rightleftharpoons \mathrm{C}(\mathrm{s})+\mathrm{D}(\mathrm{aq}) A(aq)+B(aq)⇌C(s)+D(aq)2 P(aq)+Q(aq)⇌R(aq)\mathrm{P}(\mathrm{aq})+\mathrm{Q}(\mathrm{aq}) \rightleftharpoons \mathrm{R}(\mathrm{aq})P(aq)+Q(aq)⇌R(aq)3 W(aq)+2X(aq)⇌Y(aq)+Z(aq)\mathrm{~W}(\mathrm{aq})+2 \mathrm{X}(\mathrm{aq}) \rightleftharpoons \mathrm{Y}(\mathrm{aq})+\mathrm{Z}(\mathrm{aq}) W(aq)+2X(aq)⇌Y(aq)+Z(aq)A1, 2 and 3 are correctB1 and 2 only are correctC2 and 3 only are correctD1 only is correctMark as masteredShow AnswerAAdd to Test