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Friday, 9 October

JEE Main 2023 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 11 April 2023, Shift 1, Chemistry Q63

Question 63 of 90 in this shift, Chemistry question 3 of 30, Section A.

25 mL of silver nitrate solution (1M) is added dropwise to 25 mL of potassium iodide (1.05 M) solution. The ion(s) present in very small quantity in the solution is/are
  1. (1)I−\mathrm{I^-} only
  2. (2)Ag+\mathrm{Ag^+} and I−\mathrm{I^-} bothOfficial answer
  3. (3)K+\mathrm{K^+} only
  4. (4)NO3−\mathrm{NO_3^-} only

Official answer

Option 2

NTA final key.

Chapter
Equilibrium
Topic
Solubility Product
Idea tested
Precipitation Condition

Same idea in other shifts

Asked 2× in all
  1. 2 Apr 2025, Shift 1 · Q56If equal volumes of AB2\mathrm{AB_2} and XY (both are salts) aqueous solutions are mixed, which of the following combination will give a…MediumSingle correct

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.