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Question: Answered & Verified by Expert
The radius of the second Bohr orbit, in terms of the Bohr radius (a 0 ) , of Li2+ is given as xa0y . Find the sum of x+y here?
ChemistryStructure of AtomJEE Main
Solution:
1663 Upvotes Verified Answer
The correct answer is: 7
We know
r=0.529×n2Z
r=a0×n2Z
n=2
Z=3
r= a 0 ×4 3 = 4 a 0 3
Hence x=4,y=3
So, sum of x+y=4+3=7

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