Learn

Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceMatch the listEasyRecall

JEE Main 28 June 2022, Shift 2, Chemistry Q65

Question 65 of 90 in this shift, Chemistry question 5 of 30, Section A.

Match List - I with List - II : List - I | List - II (A) negatively charged sol | (I) Fe2O3⋅xH2O\mathrm{Fe_2O_3\cdot xH_2O} (B) macromolecular colloid | (II) CdS sol (C) positively charged sol | (III) Starch (D) Cheese | (IV) a gel Choose the correct answer from the options given below :
  1. (1)(A) - (II), (B) - (III), (C) - (IV), (D) - (I)
  2. (2)(A) - (II), (B) - (I), (C) - (III), (D) - (IV)
  3. (3)(A) - (II), (B) - (III), (C) - (I), (D) - (IV)Official answer
  4. (4)(A) - (I), (B) - (III), (C) - (II), (D) - (IV)

Official answer

Option 3

NTA final key.

Chapter
Surface Chemistry
Topic
Colloids
Idea tested
Macromolecular Colloids

Same topic in other shifts

All Colloids questions
  1. 6 Apr 2023, Shift 2 · Q87The number of colloidal systems from the following, which will have 'liquid' as the dispersion medium, is ______________. Gem stones,…MediumNumerical value
  2. 8 Apr 2023, Shift 2 · Q87Coagulating value of the electrolytes AlCl3\mathrm{AlCl_3} and NaCl for As2S3\mathrm{As_2S_3} are 0.09 and 50.04 respectively. The coagulating…EasyNumerical value
  3. 10 Apr 2023, Shift 2 · Q63Ferric chloride is applied to stop bleeding because -EasySingle correct
  4. 13 Apr 2023, Shift 1 · Q63What happens when a lyophilic sol is added to a lyophobic sol?EasySingle correct
  5. 13 Apr 2023, Shift 2 · Q63Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : The diameter of…MediumAssertion–reason
  6. 15 Apr 2023, Shift 1 · Q8620 mL of 0.5 M NaCl is required to coagulate 200 mL of As2S3\mathrm{As_2S_3} solution in 2 hours. The coagulating value of NaCl is __________.EasyNumerical value

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.