The energy required to break one mole of Cl-Cl bonds in Cl 2 is 242 kJ mol -1 . The…
Chemistry · NEET · NTA Exams — Structure of Atom
The energy required to break one mole of Cl-Cl bonds in Cl2 is 242 kJ mol-1. The longest wavelength of light capable of breaking a single Cl-Cl bond is:
(c = 3 × 108 ms-1 and NA = 6.02 × 1023 mol-1)
- 594 nm
- 640 nm
- 700 nm
- 494 nm
Answer
(D) 494 nm
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