Q. The standard state of an element refers to its:

किसी तत्व की मानक स्थिति से तात्पर्य है:

A
Most stable form at 25°C and 1 atm
25°C और 1 atm पर सबसे स्थिर रूप
B
Gaseous state
गैसीय अवस्था
C
Liquid state
तरल अवस्था
D
Most reactive form
सर्वाधिक प्रतिक्रियाशील रूप

Explanation

The standard state of an element is defined as its most stable physical form at 298 K (25°C) and 1 atm pressure.
Example: O₂ gas, solid Fe, Cl₂ gas.

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Solid State Chemical Kinetics Nuclear Chemistry Gaseous & Liquid States General Chemistry

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