4 mole of shows dissociation equilibrium in 2 litre flask as : The equilibrium…

CHEMISTRY · Single correct · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

4 mole of SO3\text{SO}_3 shows dissociation equilibrium in 2 litre flask as : 2SO3⇌2SO2+O22\text{SO}_3 \rightleftharpoons 2\text{SO}_2 + \text{O}_2 The equilibrium mixture requires 6.4 mL of 0.1 M acidified KMnO4\text{KMnO}_4 for the redox change. KcK_c for the reaction equilibrium is mol litre −1^{-1} is : (1) 0.178 (2) 0.356 (3) 0.702 (4) 0.0178

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