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CGP EDU Academic Team
Published on: August 13, 2026
The energy required to break one mole of Cl–Cl bonds in Cl 2 is 242 kJ mol –1 . The longest wavelength of light capable of breaking a single Cl–Cl bond is : (c = 3 × 10 8 m s –1 and N A = 6.02 × 10 23 mol –1 )
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Verified by ExpertsThe correct answer is:
D
we have B. E 
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