Iodine (I2), like other substances, has only 3 phases: solid, liquid and gas. The triple point of iodine is at 90 torr and 115 oC. Which of the following statements is true about liquid of I2? Note that 1 torr = 1 mm Hg. (Choose one option only.) Options: a. I2 (liq) is less dense than I2 (g). b. I2 (liq) cannot exist at 120 oC. c. I2 (liq) cannot exist at 1 atm. (1 atm = 760 torr) d. I2 (liq) cannot have a vapor pressure above 90 torr. e. I2 (liq) cannot exist at 10 torr.

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Iodine (I2), like other substances, has only 3 phases: solid, liquid and gas. The triple point of iodine is at 90 torr and 115 oC. Which of the following statements is true about liquid of I2? Note that 1 torr = 1 mm Hg. (Choose one option only.)

Options:

a. I2 (liq) is less dense than I2 (g).

b. I2 (liq) cannot exist at 120 oC.

c. I2 (liq) cannot exist at 1 atm. (1 atm = 760 torr)

d. I2 (liq) cannot have a vapor pressure above 90 torr.

e. I2 (liq) cannot exist at 10 torr.

 

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