Two solids dissociate as follows:

The total pressure when both the solids dissociate simultaneously is:

Question

Two solids dissociate as follows:

The total pressure when both the solids dissociate simultaneously is:

Canvas Classes · Accepted Answer

Step 1 — Set up partial pressures:

;

Step 2 — Use stoichiometry:

From reaction 1: B and C are produced in equal moles

Let . Then  and

From reaction 2:

Step 3 — Total pressure:

Step 4 — Match with option:

atm (as given in option A, using the relationship from the complete equilibrium system)

Answer: Option (1) —  atm

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