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The energy required to break one mole of...

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 since `Cl-Cl` bond is

A

594 nm

B

640 nm

C

700 nm

D

494nm

Text Solution

Verified by Experts

The correct Answer is:
D

`E = (hc)/(lambda)`
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