AP EAMCET · Chemistry · p Block Elements (Group 13 & 14)
Thermodynamically most stable allotrope of carbon is
- A Graphite
- B Diamond
- C Fullerene
- D Coke
Answer & Solution
Correct Answer
(A) Graphite
Step-by-step Solution
Detailed explanation
Thermodynamic stability order :- Graphite \(>\) Diamond \(>\) Fullerene \(>\) Coke \(\Delta \mathrm{H}^{\circ}\) (allotropic transformation) graphite to diamond \(=+1.9 \mathrm{~kJ} \mathrm{~mol}^{-1}\).
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