Chemical Thermodynamics Question 97
Question: If $ \Delta H $ is the change in enthalpy and $ \Delta E $ the change in internal energy accompanying a gaseous reaction KCET 1989; CBSE PMT 1990]
Options:
A) $ \Delta H $ is always greater than $ \Delta E $
B) $ \Delta H<\Delta E $ only if the number of moles of the products is greater than the number of the reactants
C) $ \Delta H $ is always less than $ \Delta E $
D) $ \Delta H<\Delta E $ only if the number of moles of the products is less than the number of moles of the reactants
Show Answer
Answer:
Correct Answer: D
Solution:
If $ \Delta n=-ve $ than $ \Delta H<\Delta E $ .
