Chemical Thermodynamics Question 181
Question: Conversion of oxygen to ozone represented by the equation $ 3O_2\to 2O_3 $ is an endothermic reaction. Enthalpy change $ \Delta H $ accompanying the reaction [KCET 1988, 92]
Options:
A) Is negative
B) Is positive
C) Is zero
D) Depends on temperature
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Answer:
Correct Answer: B
Solution:
For endothermic reaction, $ \Delta H=+ve $ .