Sharanya posted an Question
April 05, 2021 • 03:00 am 30 points
  • CSIR NET
  • Physical Sciences

71. one of the following elements shows the doublet spectral features like the alkalies. identify it from the following. (a) singly ionised boron (b) singly ion

71. One of the following elements shows the doublet spectral features like the alkalies. Identify it from the following. (A) Singly ionised Boron (B) Singly ionised Aluminum (C) Singly ionised Barium (D) Singly ionised Oxygen

1 Answer(s) Answer Now
  • 0 Likes
  • 1 Comments
  • 0 Shares
  • comment-profile-img>
    Lekhika best-answer

    Oxygen shows double spectral feature like alkalies with doublet of wavelength around, 892.765nm and 822.696nm. so option(d) is correct.

whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers