The isotherms of a gas are shown below : Among the following, (i) At T 1 , the gas cannot be liquefied (ii) At point B , liquid starts to appear at T 2 (ii) T C is the highest temperature at which the gas can be liquefied (iv) At point A , a small increase in pressure condenses the whole system to a liquid The correct statements are :

Question

The isotherms of a gas are shown below : Among the following, (i) At T 1 , the gas cannot be liquefied (ii) At point B , liquid starts to appear at T 2 (ii) T C is the highest temperature at which the gas can be liquefied (iv) At point A , a small increase in pressure condenses the whole system to a liquid The correct statements are :, only (i) and (ii), only (i), (iii) and (iv), only (ii), (iii) and (iv), (i), (ii), (iii) and (iv)

MARKS App · Accepted Answer

Since T 1 > T C , the gas cannot be liquefied at T 1 , T C is the highest temperature at which the gas can be liquefied. At temperature T 2 , liquid starts to appear at point B , however a small increase in pressure at point A condenses the whole system to liquid.

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