Question

Which of the following plots is/are correct ?T_r is reduced temperature –

• A.
• B.
• C.
• D. All of the given are correct

Answer 1

Answer: (C)

Answer 2

T_c = $\frac { 8 \mathrm { a } } { 27 \mathrm { Rb } }$ T_b = $\frac { \mathrm { a } } { \mathrm { Rb } }$ \ $\frac { \mathrm { T } _ { \mathrm { b } } } { \mathrm { T } _ { \mathrm { c } } }$ = $\frac { 27 } { 8 }$ > 3

When T_r = > 3, then Z is linearly increasing with P.

When T_r = $\frac { 1 } { 2 }$ then T < T_c ; when T < T_c on increasing pressure liquefication occur.