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Question: Answered & Verified by Expert
Two series of spectral lines of atomic hydrogen which do not belong to infrared spectral region are
ChemistryStructure of AtomTS EAMCETTS EAMCET 2020 (09 Sep Shift 1)
Options:
  • A Lyman and Paschen
  • B Balmer and Brackett
  • C Pfund and Lyman
  • D Lyman and Balmer
Solution:
1159 Upvotes Verified Answer
The correct answer is: Lyman and Balmer

Lyman is the  first spectral line and Balmer is the second spectral line of hydrogen.

Lyman spectral series range 100 nm maximum. In this reason, the Lyman series lies in  the ultraviolet region. 

Balmer spectral series range 100 nm to 1000 nm. In this reason, Balmer show highly visible region.

 

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