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Which risk increases when solid potassium iodide (KI) is used at high temperature?

A)Increased covalent character of KI
B)Enhanced iodide redox activity
C)Increased KI sublimation rate
D)Formation of metallic potassium domains

💡 Explanation

Increased temperature raises the kinetic energy of KI molecules; therefore, sublimation increases due to the **vapor pressure** rising above the ambient level. Covalent character isn't directly affected rather than redox reactions; metallic potassium would require extreme conditions.

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