Photo-dissociation of water HO(l) + H(g) + O(g) has been suggested as a source of hydrogen. The heat absorbed in this reaction is 289.5 kJ/mole of water decomposed. The maximum wavelength that would p

Question

Photo-dissociation of water H$_2$O(l) + $h
u 	o$ H$_2$(g) + $\frac{1}{2}$O$_2$(g) has been suggested as a source of hydrogen. The heat absorbed in this reaction is 289.5 kJ/mole of water decomposed. The maximum wavelength that would provide the necessary energy assuming that one photon causes the dissociation of one water molecule is (1 eV = 96.5 kJ/mol)

Prashant Kotian · Accepted Answer

Correct answer: A. The energy required per water molecule in eV is eV. The corresponding maximum wavelength is nm. Therefore, correct answer is A.

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