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  • The enthalpies of the elements in their standard states are assumed to beOption: 1 Zero at 298 K O

The enthalpies of the elements in their standard states are assumed to be

Option: 1

Zero at 298 K 


Option: 2

Unity at 298 K


Option: 3

Zero at 273 K


Option: 4

Unity at 273 K


Answers (1)

best_answer

The enthalpy of formation of elements in their most stable form under standard conditions (298 K) is conventionally taken to be Zero.

Hence, the correct answer is option (1)

Posted by

Divya Prakash Singh

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