Question

The heat of atomization of methane and ethane are 360 kg/mol and 620 kg/mol respectively. The longest wavelength of light capable of breaking the C-C bond is :
Avagadro Number = 6.02x10²³ and Planck constant = 6.62x10⁻³⁴ J/s
(i) 1.49x10³ nm
(ii) 2.48x10⁴ nm
(iii) 2.48x10³ nm
(iv) 1.49x10⁴ nm

Answer 1

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