Which of the following describes the thermodynamic standard state of carbon?
A. Graphite
B. Diamond
C. Buckminsterfullerence
D. Charcoal
A. Graphite
B. Diamond
C. Buckminsterfullerence
D. Charcoal
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Correct Answer – A
The thermodynamic standard state of a substance is its most stable, pure form (physical state and allotrope) under standard pressure and at some specific temperature `(25^(@)C` or 298 K unless otheriwse specified). Under these conditions, the most stable, pure form of carbon is graphite.