Learn

Friday, 9 October

JEE Main 2020 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 8 January 2020, Shift 1, Chemistry Q33

Question 33 of 75 in this shift, Chemistry question 8 of 25, Section A.

The strength of an aqueous NaOH solution is most accurately determined by titrating : (Note : consider that an appropriate indicator is used)
  1. (1)Aq. NaOH in a volumetric flask and concentrated H2SO4\mathrm{H_2SO_4} in a conical flask
  2. (2)Aq. NaOH in a burette and concentrated H2SO4\mathrm{H_2SO_4} in a conical flask
  3. (3)Aq. NaOH in a burette and aqueous oxalic acid in a conical flaskOfficial answer
  4. (4)Aq. NaOH in a pipette and aqueous oxalic acid in a burette

Official answer

Option 3

NTA final key (Jan 2020).

Chapter
Some Basic Concepts of Chemistry
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 42 of the 174 JEE Main shifts held from 2017 to 2026.