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Friday, 9 October

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. (1)(A)-(I), (B)-(IV), (C)-(III), (D)-(II)
  2. (2)(A)-(III), (B)-(I), (C)-(IV), (D)-(II)Official answer
  3. (3)(A)-(II), (B)-(IV), (C)-(III), (D)-(I)
  4. (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 3× in all
  1. 30 Jan 2024, Shift 2 · Q90Number of metal ions characterized by flame test among the following is ________.…MediumNumerical value
  2. 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

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 42 of the 174 JEE Main shifts held from 2017 to 2026.