When {PCl}_{5}(g)(M \.W=208.2) is heated and if dissociates into {PCl}_{3}(g) and {Cl}_{2}(g). The densities of the gas mixture at 200^\circ{C} and 250^\circ{C} are 60.2 and 57 {g} \/ {cc} respectively at equilibrium. Then the degree of dissociation of {PCl}_{5} at 250^\circ{C}. Accurate upto 2 decimal places after round off.

JEE Advanced 2021 Full Test 5 Paper 2

SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded‐off to the second decimal place; e.g. XXXXX.XX).

Question : 32 of 54

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When PCl5(g)(M.W=208.2) is heated and if dissociates into PCl3(g) and Cl2(g). The densities of the gas mixture at 200°C and 250°C are 60.2 and 57g∕cc respectively at equilibrium. Then the degree of dissociation of PCl5 at 250°C. Accurate upto 2 decimal places after round off.

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