Chemical Thermodynamics Question 245

Question: In the complete combustion of butanol $ C_4H_9OH(l) $ , if $ \Delta H $ is enthalpy of combustion and $ \Delta E $ is the heat of combustion at constant volume, then [EAMCET 1997]

Options:

A) $ \Delta H<\Delta E $

B) $ \Delta H=\Delta E $

C) $ \Delta H>\Delta E $

D) $ \Delta H,,\Delta E $ relation cannot be predicted

Show Answer

Answer:

Correct Answer: C

Solution:

In the complete combustion of butanol $ \Delta H>\Delta E $ .



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