The Reaction PCl₃ (G) + Cl₂ (G)→PCl₅ (G) Is Exothermic

question 63

Multiple Choice

The reaction PCl₃ (g) + Cl₂ (g) →PCl₅ (g) is exothermic. The reaction is:

• A) spontaneous at all temperatures.
• B) nonspontaneous at all temperatures.
• C) spontaneous at low temperatures.
• D) spontaneous at high temperatures.
• E) spontaneous if D G _rxn is positive.

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