Boron Triiodide (BI₃)melts at 49

question 50

Multiple Choice

Boron triiodide (BI₃) melts at 49.9 °C and boils at 209.5 °C at a constant pressure of 1 atm. What state of matter must a sample of boron triiodide be in at 100°C and 1 atm?

• A)liquid
• B)gas
• C)solid
• D)solid and liquid in equilibrium
• E)liquid and gas in equilibrium

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