## Chemistry and Chemical Reactivity (9th Edition)

$\Delta E=-Rhc(1/n_f^2-1/n_i^2)$ a) $-0.980.Rhc$ b) $-0.0074.Rhc$ c) $-0.75.Rhc$ A releases more energy, thus having the bigger frequency (ii) and the shortest wavelength (iii). B releases the least amount of energy (i).