JEE Main · ChemistryMedium
The standard enthalpy of combustion of graphite and diamond are and . Calculate the enthalpy change for the conversion .
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: A —
Solution
- The reaction is ().
- The reaction is ().
- Subtract the second equation from the first: .
- Calculate .
- Hence the answer is (A).
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