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`        Calculate the wavelength of the radiation that would cause photo dissociation of chlorine molecule if theCl- Cl bond energy is 243 KJ/mol.`
2 years ago

Arun
23331 Points
```							Cl-Cl bond energy is 243 KJ/mol = 243000 J/mol​Hence, the energy required to dissociate a Cl-Cl bond in a chlorine (Cl2) molecule = 243000 J mol-1​ / 6.022 x 1023 mol-1 = 4.0 x 10-19 JSince, E = hc/λ ; λ = hc/EHence,  6.626 * 10^-34 * 3 * 10^8/4 * 10^-19 = 4.97 * 10^-7 m = 497 nm RegardsArun (askIITians forum expert)
```
2 years ago
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