the heat of atomization of methane and ethane are 360 KJ/mol and 620 KJ/mol , respectively . The longest Wavelength of light capable of breaking . The c-c bond is :
(Avogadro number`=6.02xx10^(23),h=6.62xx10^(-34)Js)`
A. `2.48 xx 10^(-3)` nm
B. `1.49 xx 10^(3)` nm
C. `2.49 xx 10^(4)` nm
D. `2.48 xx 10^(4)` nm