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The standard enthalpy of formation (ΔfHº) at 298 K for methane, CH4(g), is -74.8 kJ mol-1. The additional information required to determine the average energy for C - H bond formation would be -
[AIEEE 2006]
  • a)
    Latent heat of vaporization of methane
  • b)
    The first four ionization energies of carbon and electron gain enthalpy of hydrogen
  • c)
    The dissociation energy of hydrogen molecule H2
  • d)
    The dissociation energy of H2 and enthalpy of sublimation of carbon
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The standard enthalpy of formation (ΔfHº) at 298 K for meth...
The correct answer is option D
Carbon is found in the solid-state. The state of the substance affects the enthalpy change.
Hence, the correct option is A
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Most Upvoted Answer
The standard enthalpy of formation (ΔfHº) at 298 K for meth...
It's the e energy required to break a particular bond
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The standard enthalpy of formation (ΔfHº) at 298 K for methane, CH4(g), is -74.8 kJ mol-1. The additional information required to determine the average energy for C - H bond formation would be -[AIEEE 2006]a)Latent heat of vaporization of methaneb)The first four ionization energies of carbon and electron gain enthalpy of hydrogenc)The dissociation energy of hydrogen molecule H2d)The dissociation energy of H2and enthalpy of sublimation of carbonCorrect answer is option 'D'. Can you explain this answer?
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The standard enthalpy of formation (ΔfHº) at 298 K for methane, CH4(g), is -74.8 kJ mol-1. The additional information required to determine the average energy for C - H bond formation would be -[AIEEE 2006]a)Latent heat of vaporization of methaneb)The first four ionization energies of carbon and electron gain enthalpy of hydrogenc)The dissociation energy of hydrogen molecule H2d)The dissociation energy of H2and enthalpy of sublimation of carbonCorrect answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about The standard enthalpy of formation (ΔfHº) at 298 K for methane, CH4(g), is -74.8 kJ mol-1. The additional information required to determine the average energy for C - H bond formation would be -[AIEEE 2006]a)Latent heat of vaporization of methaneb)The first four ionization energies of carbon and electron gain enthalpy of hydrogenc)The dissociation energy of hydrogen molecule H2d)The dissociation energy of H2and enthalpy of sublimation of carbonCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The standard enthalpy of formation (ΔfHº) at 298 K for methane, CH4(g), is -74.8 kJ mol-1. The additional information required to determine the average energy for C - H bond formation would be -[AIEEE 2006]a)Latent heat of vaporization of methaneb)The first four ionization energies of carbon and electron gain enthalpy of hydrogenc)The dissociation energy of hydrogen molecule H2d)The dissociation energy of H2and enthalpy of sublimation of carbonCorrect answer is option 'D'. Can you explain this answer?.
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