Verified Solution • 2025–26 Session moderate

QNEET-2022-Ch-386: NEET 2022 Chemistry - Class 11 NEET-2022-Ch-386 Solution: If radius of second Bohr orbit of the \(He^+\) ion is 105.8 pm…

If radius of second Bohr orbit of the He+He^+ ion is 105.8 pm what is the radius of third Bohr orbit of Li2+Li^{2+} ion? 158.7 pm 15.87 pm 1.587 pm 158.7 A˚\text{\AA}

Multiple Choice Options

  • A 158.7 pm
  • B 15.87 pm
  • C 1.587 pm
  • D 158.7 Ao\mathop A\limits^o A o _

Step-by-Step Verified Solution

r n _ n 2 Z r 3 ( L i 2 + ) r 2 ( H e + ) = ( n 3 ) 2 Z ( L i 2 + ) _ Z ( H e + ) ( n 2 ) 2 r 3 ( L i 2 + ) 105.8 = ( 3 ) 2 3 _ 2 ( 2 ) 2 = 105.8 _ 3 2 r 3 ( L i 2 + ) = 158.7 pm

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