AIPMT PRELIMS2011Chemistry-Atomic Structure
AIPMT PRELIMS 2011 Chemistry Spectral Series MCQ Question
Type: MCQ-numerical-Hard-Class 11
The wavelength of the first line of Lyman series for hydrogen atom is equal to that of the second line of Balmer series for a hydrogen like ion. The atomic number Z of hydrogen like ion is
A
2
B
3
C
4
D
1
Correct Answer
Option A
Detailed Explanation
Using the formula for wavelength in hydrogen-like ions, we find Z = 2 for the given condition.
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