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Question: Answered & Verified by Expert
The radial wave equation for hydrogen atom is
ψ=11641aο32x-1x2-8x+12e-x2
where x=2rao , aο= radius of first bohr's orbit the minimum and maximum position of radial nodes from nucleus are:
ChemistryStructure of AtomJEE Main
Options:
  • A aο,3ao
  • B 0.5aο,3aο
  • C 0.5aο,aο
  • D 0.5aο,4aο
Solution:
2234 Upvotes Verified Answer
The correct answer is: 0.5aο,3aο
For node  ψ2=0 , So also Ψ=0
So for: ψ=11641aο32x-1x2-8x+12e-x2
x-1x2-8x+12 should be equal to zero
x-1x2-8x+12=0 , solve the equation
x-1x2-8x+12
X=1, 2, 6
i.e.r=0.5aο,aο,3aο;
x=2raο
So minimum 0.5aο
maximum  3aο

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