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Match List - I with 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 (IV) 455.5
Choose the most appropriate answer from the options given below :

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$(A) - (I), (B) - (II), (C) - (III), (D) - (IV)$

$(A) - (III), (B) - (II), (C) - (I), (D) - (IV)$

$(A) - (III), (B) - (I), (C) - (II), (D) - (IV)$

$(A) - (IV), (B) - (II), (C) - (I), (D) - (III)$

answer is A.

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Detailed Solution

Li ,Na ,K ,Rb ,Cs color and wavelength respectively
Crimson-red ,Yellow ,Violet ,Red violet, Blue
670.8, 589.2, 766.5 ,780.0, 455.5

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