Two solids A and C shows the following dissociation equilibria : The pressure over…

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

Problem

Two solids A and C shows the following dissociation equilibria : A(s)⇌B(g)+D(g)A(s) \rightleftharpoons B(g) + D(g) C(s)⇌E(g)+D(g)C(s) \rightleftharpoons E(g) + D(g) The pressure over excess solid A is 40 atm and over excess C is 80 atm. The total pressure of the gaseous mixture over the solid mixture is : (1) 67.0 atm (2) 89.4 atm (3) 134 atm (4) 178.8 atm

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