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प्रश्न
The bond dissociation energy of methane and ethane are 360 kJ mol–1 and 620 kJ mol–1 respectively. Then, the bond dissociation energy of the C-C bond is
पर्याय
170 kJ mol–1
50 kJ mol–1
80 kJ mol–1
220 kJ mol–1
उत्तर
80 kJ mol–1
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संबंधित प्रश्न
What is lattice energy?
Write down the Born-Haber cycle for the formation of CaCl2
Suggest and explain an indirect method to calculate lattice enthalpy of sodium chloride crystal.
Calculate the lattice energy of CaCl2 from the given data
\[\ce{Ca_{(s)} + Cl2_{(g)} -> CaCl2_{(s)}}\] ∆`"H"_"f"^0` = − 795 kJ mol−1
Sublimation: \[\ce{Ca_{(s)} -> Ca-{(g)}}\] ∆`"H"_1^0` = + 121 kJ mol−1
Ionisation: \[\ce{Ca_{(g)} -> Ca^2+_{(g)} + 2e^-}\] ∆`"H"_2^0` = + 2422 kJ mol−1
Dissociation: \[\ce{Cl2_{(g)} -> 2Cl_{(g)}}\] ∆`"H"_3^0` = + 242.8 kJ mol−1
Electron affinity: \[\ce{Cl_{(g)} + e^- -> Cl^-_{(g)}}\] ∆`"H"_4^0` = −355 kJ mol−1
