1.

Conversion of oxygen to ozone represented by the equation \[3{{O}_{2}}\to 2{{O}_{3}}\] is an endothermic reaction. Enthalpy change \[\Delta H\] accompanying the reaction              [KCET 1988, 92]

A.                 Is negative         
B.                 Is positive
C.                 Is zero  
D.                 Depends on temperature
Answer» C.                 Is zero  


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