Q15 / 160 · AP EAMCET 2012 · Chemistry

The quantum number which explains the line spectra observed as doublets in case of hydrogen and alkali metals and doublets and triplets in case of alkaline earth metals is

  • Correct answer
    A
    spin
  • B
    azimuthal
  • C
    magnetic
  • D
    principal

Solution

Spin quantum number explains the line spectra observed as doublets in case of $\mathrm{H}$ and alkali metals and doublets and triplets in case of alkaline earth metals.

Hence, the correct answer is option: 'A'.

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