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JEE Main202229 Jun 2022Morning ShiftChemistrys Block ElementsActual

Match List-I with Match List-II List-I (Metal) List-II (Emitted light wavelength nm ) (A) Li (I) 670 . 8 (B) Na (II) 589 . 2 (C) Rb (III) 780 . 0 (D) Cs (V) 455 . 5 Choose the most appropriate answer from the options given below

Options

  1. AA - I , B - II , C - III , D - IV
  2. BA - III , B - II , C - I , D - IV
  3. CA - III , B - I , C - II , D - IV
  4. DA - IV , B - II , C - I , D - III

Correct answer

A. A - I , B - II , C - III , D - IV

Step-by-step solution

Metal Li Na K Rb Cs Colour Crimson red Yellow Violet/Lilac Red Violet Blue λ nm 670 . 8 589 . 2 766 . 5 780 . 0 455 . 5

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