The energy required to break one mol of Cl-Cl bonds in Cl2 is 242 K J mol-. The largest wavelength of light capable of breaking a single Cl-Cl bond is: c=3×108ms−and NA=6.02×1023mol−

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

700 nm

494 nm

594 nm

640 nm

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Energy required for one Cl2 molecule= 242×103NAJE=hcλ or 1=hcE= 6.626×10-34×3×108×6.02×1023242×103= 494×10-9m=494 nm.

Watch 3-min video & get full concept clarity