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

Show Answer

Answer:

Correct Answer: B

Solution:

For endothermic reaction, $ \Delta H=+ve $ .



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