| ⇦ | 
| ⇨ |
The most probable radius (in pm) for finding the electron in He⁺ is
Options
(a) 0
(b) 52.9
(c) 26.5
(d) 105.8
Correct Answer:
26.5
Explanation:
Most probable radius = a₀ / Z
where a₀ = 52.9 pm.
For helium ion, Z = 2.
r(mp) = 52.9 / 2 = 26.45 pm.
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Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Aromatic hydrocarbon shows mostly
- What is formed when formaldehyde reacts with KOH
- IF the bond energies of H – H , Br – Br and H – Br are 433 , 192 and 364 kJ mol⁻¹
- In laboratory burners , we use
- The number of unpaired electrons in 1s² 2s² 2p³ is
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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