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Chemistry Class - 11: Chapter – 5. States of Matter Part – 9

VI. Long Answer Type

Question: 50

Isotherms of carbon dioxide at various temperatures are represented in Fig. 5.5.

Answer the following questions based on this figure.

Illustration: Chemistry Class - 11: Chapter – 5. States of Matter Part – 9

(i) In which state will exist between the points a and b at temperature ?

(ii) At what point will start liquefying when temperature is ?

(iii) At what point will be completely liquefied when temperature is .

(iv) Will condensation take place when the temperature is .

(v) What portion of the isotherm at represent liquid and gaseous at equilibrium?

Answer:

(i) Gaseous state

(ii) At point b

(iii) At point g

(iv) No, since

(v) Between b and c.