Multiple Choice
In the reaction below, ΔH°f is zero for ________. Ni (s) + 2CO (g) + 2PF3 (g) → Ni(CO) 2(PF3) 2 (l)
A) Ni (s)
B) CO (g)
C) F3 (g)
D) Ni(CO) 2(PF3) 2 (l)
E) both CO (g) and PF3 (g)
Correct Answer:

Verified
Correct Answer:
Verified
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