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Some energy levels of a molecule are shown in the figure with their wavelengths of transitions. Then:

Options

  1. A₃ ₂, ₁=2 ₂
  2. B₃ ₂, ₁=4 ₂
  3. C₁ ₂, ₂=2 ₃
  4. D₂ ₁, ₂=2 ₃

Correct answer

D. ₂ ₁, ₂=2 ₃

Step-by-step solution

h c ₁ = -5 E 2 +4 E= 3 2 E ...(i) h c ₂ =-2 E+3 E=E ...(ii) h C ₃ =-2 E+4 E=2 E ...(iii) Comparing (2) and (3) 1 ₃ = 2 ₂ ₂=2 ₃ Comparing (1) and (2) 3 ₁=2 ₂ ₁ ₂

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