-. 6:3 : 2) The energy of second or...
Question

# -. 6:3 : 2) The energy of second orbit of hydrogen is equal to the energy of: (a) fourth orbit of He* (b) fourth orbit of Lil* (c) second orbit of He* (d) second orbit of Li2+ (Ans. (a)]

JEE/Engineering Exams
Chemistry
Solution
79
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So, Ans ( (a) )