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Question
Q233) Which transition of Li2+ is associated with same energy change as n = 6 to n = 4 transition in He+?



SOLUTION

Energy of nth orbitalis given by
For He+ , Z = 2 and n=6 ,Have same energy of Li2+ let n = n1 For He+ , Z = 2 and n=4 ,Have same energy of Li2+ let n = n2
Answer:(c)