JEE Main 2024 · ChemistryMultiple choiceMatch the listHardRecall

JEE Main 6 April 2024, Shift 2, Chemistry Q66

Question 66 of 90 in this shift, Chemistry question 6 of 30, Section A.

Match List - I with List - II. List - I (Alkali Metal) (A) Li (B) Na (C) Rb (D) Cs List - II (Emission Wavelength in nm) (I) 589.2 (II) 455.5 (III) 670.8 (IV) 780.0 Choose the correct answer from the options given below :

(1)(A)-(I), (B)-(IV), (C)-(III), (D)-(II)
(2)(A)-(III), (B)-(I), (C)-(IV), (D)-(II)Official answer
(3)(A)-(II), (B)-(IV), (C)-(III), (D)-(I)
(4)(A)-(IV), (B)-(II), (C)-(I), (D)-(III)

Official answer

Option 2

NTA final key.

Chapter: The s-Block Elements
Topic: s-Block Elements
Idea tested: Flame Coloration

Same idea in other shifts

Asked 7× in all

30 Jan 2024, Shift 2 · Q90Number of metal ions characterized by flame test among the following is ________.…MediumNumerical value
15 Apr 2023, Shift 1 · Q67Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R : Assertion (A) : $\mathrm{BeCl_2}$ …EasyAssertion–reason
26 Jun 2022, Shift 2 · Q66s-block element which **cannot** be qualitatively confirmed by the flame test isEasySingle correct
29 Jun 2022, Shift 1 · Q69Match List - I with List - II. List - I (Metal) (A) Li (B) Na (C) Rb (D) Cs List - II (Emitted light wavelength (nm)) (I) 670.8 (II) 589.2…HardMatch the list
4 Aug 2021, Shift 1 · Q50Match List I with List II List I (Metal salt) List II (Colour to the flame) A. $\mathrm{Cu^{2+}}$ I. Brick Red B. $\mathrm{Sr^{2+}}$ II.…EasyMatch the list
24 Feb 2021, Shift 2 · Q37Match List - I with List - II. List - I (Salt) | List - II (Flame colour wavelength) (a) LiCl | (i) 455.5 nm (b) NaCl | (ii) 670.8 nm (c)…MediumMatch the list

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.