The enthalpy of atomisation for the reaction CH4(g)→ C(g) + 4H(g) is 1665 kJ/ mol. What is the bond energy of C–H bond?
The enthalpy of atomisation for the reaction CH4(g)→ C(g) + 4H(g) is 1665 kJ/ mol. What is the bond energy of C–H bond?
This is a Short Answer Type Questions as classified in NCERT Exemplar
The reaction presented in the question is
CH4 (g)→C (g) + 4H (g)
Now, ΔaH = 1665 kJ/mol
The mean bond enthalpy of the C-H bond should be used here. For the atomisation of 4 moles of C-H bonds, the value is 1665 kJ/mol. So, per mole e
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Chemistry NCERT Exemplar Solutions Class 11th Chapter Six 2025
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