Question:
The enthalpy change for the reaction \(2\text{C(graphite) + 3\text{H}_2(g) \rightarrow \text{C}_2\text{H}_6(g)\) is called:}
The enthalpy change for the reaction \(2\text{C(graphite) + 3\text{H}_2(g) \rightarrow \text{C}_2\text{H}_6(g)\) is called:}
Show Hint
Enthalpy of formation refers to formation of one mole of compound.
Updated On: Jan 5, 2026
- Enthalpy of combustion
- Enthalpy of formation
- Enthalpy of vaporization
- Enthalpy of sublimation
Hide Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
The reaction forms one mole of ethane directly from its elements in standard states.
Was this answer helpful?
0
0
Top Questions on Thermodynamics
- The enthalpy of vaporization of water is 40.79 kJ/mol. How much heat is required to vaporize 2 moles of water at its boiling point?
- MHT CET - 2025
- Chemistry
- Thermodynamics
- A gas is compressed from an initial volume of 10 L to 5 L. The pressure during the compression is constant at 2 atm. Calculate the work done on the gas.
- MHT CET - 2025
- Chemistry
- Thermodynamics
- Given below are two statements : Statement I : When a system containing ice in equilibrium with water (liquid) is heated, heat is absorbed by the system and there is no change in the temperature of the system until whole ice gets melted. Statement II : At melting point of ice, there is absorption of heat in order to overcome intermolecular forces of attraction within the molecules of water in ice and kinetic energy of molecules is not increased at melting point. In the light of the above statements, choose the correct answer from the options given below:
- JEE Main - 2025
- Chemistry
- Thermodynamics
- Identify the incorrect statements among the following:
- KCET - 2025
- Chemistry
- Thermodynamics
- Which one of the following reactions has
\(\Delta H = \Delta U\)?- KCET - 2025
- Chemistry
- Thermodynamics
View More Questions
Questions Asked in VITEEE exam
- The coordination number and geometry of \([\mathrm{Ni(CN)_4]^{2-}\) and \([\mathrm{NiCl_4}]^{2-}\) are respectively:}
- VITEEE - 2025
- coordination compounds
- The IUPAC name of \([\mathrm{Co(NH_3)_5Cl}]\mathrm{SO_4}\) is:
- VITEEE - 2025
- coordination compounds
- Which of the following compounds will show geometrical isomerism?
- VITEEE - 2025
- coordination compounds
- Which of the following is a characteristic property of acids?
- VITEEE - 2025
- Acids and Bases
- Which of the following is an example of an exothermic reaction?
- VITEEE - 2025
- Acids and Bases
View More Questions