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.