Atomic Structure Question 63

Question: The most probable radius (in pm) for finding the electron in $ H{e^{+}} $ is

[AIIMS 2005]

Options:

A) 0.0

B) 52.9

C) 26.5

D) 105.8

Show Answer

Answer:

Correct Answer: C

Solution:

Most probable radius = a0 / Z where a0 = 52.9 pm. For helium ion, Z = 2. rmp = $ \frac{52.9}{2} $ = 26.45 pm.



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