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Shweta thakur Asked a Question
August 11, 2020 9:35 pmpts 30 pts
  • IIT JAM
  • Chemistry (CY)

Plz explain this question ..i think the answer is b ... ves an absorption line of lowest frequency is a. n=1 to n=2 b. n-3 to n=8 c. n=2 to n=1

Of the following transition in H-atom, the one which gives an absorption line of lowest frequency is A. n=1 to n=2 B. n-3 to n=8 C. n=2 to n=1
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  • Priyanshu kumar Best Answer
    Option B shweta....as absorption occurs only in 1st and 2nd.. C gives emission line
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    Priyanshu kumar
    Absorption line in the spectra arise when energy is absorbed i.e., electron shifts from lower to higher orbit, out of a & b, b will have the lowest frequency as this falls in the P...
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  • Dinesh khalmaniya thankyou
    option B
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    Dinesh khalmaniya
    check it
    • cropped6772699673569596011.jpg
  • Ashutosh singh
    Option B, Shweta.
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    Ashutosh singh
    Do you remember that wave number formula? Apply that and calculate with both n values.. you'll get the answer. 😊
  • Ashutosh singh
    Use this formula, Shweta. 😊
    • cropped707846564.jpg
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