Match List – I with List – II
          List – I                                               List – II
          (Salt)                                                 (Flame color wavelength)
          a) LiCl                                               i) 455.5 nm
          b) NaCl                                             ii) 670.8 nm
          c) RbCl                                             iii) 780.0 nm
          d) CsCl                                             iv) 589.2 nm
Choose the correct answer from the options given below:

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(a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)

(a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)

(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)

(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)

answer is A.

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Detailed Solution

$\begin{array}{l} RbCl \to 780 nm \\ CsCl \to 455.5 nm \\ NaCl : 589.2 nm \\ LiCl : 670.8 nm \end{array}$

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