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Question

The ratio of radii orbitals of H, He+ and Li2+ is:

A
1 : 2 : 3
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B
6 : 3 : 2
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C
1 : 4 : 9
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D
9 : 4 : 1
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Solution

The correct option is B 6 : 3 : 2
radius of H-like species=n2Z×0.529ArH:rHe+:rLi2+1:12:136:3:2

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