Chemistry Class-11: Chapter – 5. States of Matter Part – 9 (For CBSE, ICSE, IAS, NET, NRA 2022)

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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.

Isotherms of Carbon Dioxide at Various Temperatures

(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.

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