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Chemistry : Equilibrium

Short Answer Type

51. Can equilibrium be achieved between water and its vapour in an open vessel? Explain your answer and say what happens eventually.

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Long Answer Type

52. A vessel has two compartments connected at the top. In one compartment (B), radioactive methyl iodide (CH₃I) is placed and in the other (A) normal methyl iodide (CH₃I) is placed. Will the vaporus over (A) and (B) become radioactive?
Will the radioactivity spread to the liquid in the compartment A? Discuss in terms of dynamic nature of the equilibrium between vapours and its liquid.

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53. A liquid is in equilibrium with its vapours in a sealed container at a fixed temperature. The volume of the container is suddenly increased.

(i) What is the initial effect of the change on the vapour pressure?

(ii) How do the rates of evaporation and condensation change pressure?

(iii) What happens when equilibrium is restored finally and what will be the Final vapour pressure?

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