Question
At 30∘C,Kp for the dissociation reaction:
SO2Cl2 (g)⇋ SO2 (g) + Cl2 (g) is 2.9x 10−2~atm. If the total pressure is 1 atm, the degree of dissociation of SO2Cl2 is (assume 1−α2 =1)
SO2Cl2 (g)⇋ SO2 (g) + Cl2 (g) is 2.9x 10−2~atm. If the total pressure is 1 atm, the degree of dissociation of SO2Cl2 is (assume 1−α2 =1)
Answer: Option C
:
C
Correct option is c).
SO2Cl2(g)⇋SO2(g)+Cl2(g)1001−ααα
Total moles = 1+α
Pso2Cl2=1−α/1+α,Pso2=α/1+α,Pcl2=α/1+α
Kp=(α/1+α)2/(1−α/1+α)=α2/1−α2≈α2
α=√Kp=(2.9×10−2=0.17,i.e.,17%
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:
C
Correct option is c).
SO2Cl2(g)⇋SO2(g)+Cl2(g)1001−ααα
Total moles = 1+α
Pso2Cl2=1−α/1+α,Pso2=α/1+α,Pcl2=α/1+α
Kp=(α/1+α)2/(1−α/1+α)=α2/1−α2≈α2
α=√Kp=(2.9×10−2=0.17,i.e.,17%
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