OnlineCBT
Chemistry · THERMODYNAMICS
हिन्दीGiven below are two statements: Statement I: Standard state of a substance at a specified temperature is defined at a pressure of 1 atm. Statement II: The reference state of an element is its most stable state of aggregation at 25 °C and 1 bar. In the light of the above statements, choose the most appropriate answer from the options given below:
Correct answer · Option 4
Statement I is incorrect but Statement II is correct.
Explanation
Statement I is incorrect because standard state is defined at pure form at 1 bar (not 1 atm). Statement II is correct as the reference state is the most stable form at 25 °C and 1 bar.
