JEE Main Chemistry question

ChemistryEquilibriumJEE Main

Phosphorus pentachloride dissociates as follows, in a closed reaction vessel, . If total pressure at equilibrium of the reaction mixture is and degree of dissociation of is , the partial pressure of will be

Answer: (A)

Solution

From 1 mol : total moles . Mole fraction of , so .

Question ID VK-135415