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Friday, 9 October

JEE Main 2024 · ChemistryMultiple choiceOtherMediumRecall

JEE Main 9 April 2024, Shift 1, Chemistry Q80

Question 80 of 90 in this shift, Chemistry question 20 of 30, Section A.

Identify the incorrect statements regarding primary standard of titrimetric analysis. (A) It should be purely available in dry form. (B) It should not undergo chemical change in air. (C) It should be hygroscopic and should react with another chemical instantaneously and stoichiometrically. (D) It should be readily soluble in water. (E) KMnO4\mathrm{KMnO_4} & NaOH can be used as primary standard. Choose the correct answer from the options given below :
  1. (1)(A) and (B) only
  2. (2)(C) and (D) only
  3. (3)(B) and (E) only
  4. (4)(C) and (E) onlyOfficial answer

Official answer

Option 4

NTA final key.

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.