Learn

Saturday, 31 October

JEE Main 2023 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 8 April 2023, Shift 1, Chemistry Q69

Question 69 of 90 in this shift, Chemistry question 9 of 30, Section A.

Which halogen is known to cause the reaction given below: 2Cu2++4X−→Cu2X2(s)+X22\mathrm{Cu^{2+}} + 4\mathrm{X^-} \rightarrow \mathrm{Cu_2X_2(s)} + \mathrm{X_2}
  1. (1)All halogens
  2. (2)Only IodineOfficial answer
  3. (3)Only Bromine
  4. (4)Only Chlorine

Official answer

Option 2

NTA final key.

Chapter
The p-Block Elements
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.