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Question

For a real gas the P-V curve was experimentally plotted and it had the following appearance. With respect to liquefaction. Choose the correct statement


A
At T=500 K, P=40 atm, the state will be liquid
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B
At T=300 K, P=50 atm, the state will be gas
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C
At T<300 K, P=20 atm, the state will be gas
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D
At 300 K<T<500 K,P>50 atm, the state will be liquid
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Solution

The correct option is D At 300 K<T<500 K,P>50 atm, the state will be liquid
Observations from graph are:
(a) At T=500 K,P=40 atm corresponds to 'a' substance - gas
(b) At T=300 K,P=50 atm corresponds to 'b' substance -  liquid
(c) At T=300 K,P>20 atm corresponds to 'c' substance -  liquid
(d) At 300 K<T<500 K,P>50 atm, corresponds to 'd' substance -  liquid
So, correct option is (d).

Chemistry

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