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

Solution

## The correct option is D At 300 K<T<500 K,P>50 atm, the state will be liquidObservations 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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