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if the radius of H is 0.53 Å then what w...

if the radius of H is `0.53 Å` then what will be the radius of `._(3)Li^(2+)` ?

A

`0.17 Å`

B

`0.36 Å`

C

`0.53 Å`

D

`0.59 Å`

Text Solution

Verified by Experts

The correct Answer is:
A
The radius of hydrogen atom `=0.53 Å ._(3)Li^(2+)` ion also has only one electron feels three times more attraction from nucleus in comparison to hydrogen atom. Thus, the radius of `._(3)Li^(2+)` will be
`=(0.53)/3=0.17 Å`
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