Statement-I: The enthalpy of both graphite and diamond is taken to be zero, being elementary substances. Statement-$\mathrm{II}$: The standard enthalpy of formation of an element in its standard state is taken as zero.
- ABoth Statement-I and Statement-$\mathrm{II}$ are correct.
- BThe standard enthalpy of formation of an element in its standard state is zero.
- CStatement-I is correct and Statement-$\mathrm{II}$ is incorrect.
- DStatement-I is incorrect and Statement-$\mathrm{II}$ is correct.
✓ Correct answer: D
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