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CGP EDU Academic Team
Published on: August 14, 2026
Considering the parameters such as bond dissociation enthalpy, electron gain enthalpy and hydration enthalpy, compare the oxidizing power of F 2 and Cl 2 .
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The electrode potential of F 2 (+2.87 V) is much higher than that of Cl 2 (+1.36 V).
Δ H = 
E x-x – |E.A| – | Δ H° Hy |
F2 | Cl2 | Order | |
Bond dissociation enthalpy/kJmol–1 | 158.8 | 242.6 | F2 < Cl2 |
Magnitude of E.A/kJmol–1 | 333 | 349 | F2 < Cl2 |
Magnitude of ΔH°Hyd./kJmol–1 | 515 | 381 | F2 > Cl2 |
Oxidizing power | F2 > Cl2 |
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