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The most probable radius (in pm) for fin...

The most probable radius (in pm) for finding the electron in `He^(+)` is.

A

`0.0`

B

`52.9`

C

`26.5`

D

`105.8`

Text Solution

Verified by Experts

The correct Answer is:
C
Most probable radius `=a_(0)//Z` where `a_(0)=52.9` pm. For helium ion, Z=2.
`r_(mp)=(52.9)/(2)=26.45 pm`.
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