Which of the following is not a case of physical equilibrium?
Formation of
Explanation for correct option:
A. Formation of
Physical equilibrium:
Formation of is not a case of physical equilibrium as it involves a chemical change.
Explanation for incorrect options:
B. Conversion of water into vapor is a physical equilibrium as there is a change in physical state from liquid to a gaseous state.
C. Conversion of water vapor onto liquid water is a physical equilibrium as there is a change in phase from gaseous to a liquid phase.
Hence, the correct option is A i.e. Formation of .