Phase diagram of Sulphur is shown above. Which statement about this diagram is correct ?

Chemistry (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

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16.

A: The critical point is above 154 C and 10^-3 atm.

B: There are only two tripple points in this diagram.

C: Monoclinic sulfur is more dense than rhomic sulfur at any temperature

D: Monoclinic sulfur forms rhombic sulfur at higher pressure or lower temperature

The answer is: D

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