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

Correct answer: A. (A) - (I), (B) - (II), (C) - (III), (D) - (IV) 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

JEE Main 202229 JuneMorning Shift

Exam: JEE Main
Year: 2022
Date: 29 June
Shift: Morning Shift
Subject: Chemistry
Chapter: s Block Elements

JEE Main 2022 · 29 June · Morning Shift · Chemistry · s Block Elements

Match List-I with Match List-II List-I (Metal) List-II (Emitted...

Match List-I with Match List-II

	List-I (Metal)		List-II (Emitted light wavelength $\left(nm\right)$ )
(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

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

Correct answer

A. $\left(A\right) - \left(I\right), \left(B\right) - \left(II\right), \left(C\right) - \left(III\right), \left(D\right) - \left(IV\right)$

Step-by-step solution

Metal	$Li$	$Na$	$K$	$Rb$	$Cs$
Colour $</td> <td>Crimson red</td> <td>Yellow</td> <td> <p>Violet/Lilac</p> </td> <td>Red Violet</td> <td>Blue</td> </tr> <tr> <td><strong>\left(\lambda \left(nm\right)\right)$ $</td> <td>$ 670 . 8 $</td> <td>$ 589 . 2 $</td> <td>$ 766 . 5 $</td> <td>$ 780 . 0 $</td> <td>455 . 5$

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