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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceMatch the listEasyRecall

JEE Main 27 June 2022, Shift 1, Chemistry Q64

Question 64 of 90 in this shift, Chemistry question 4 of 30, Section A.

Match List - I with List - II. List - I (A) Lyophilic colloid (B) Emulsion (C) Positively charged colloid (D) Negatively charged colloid List - II (I) Liquid-liquid colloid (II) Protective colloid (III) FeCl3\mathrm{FeCl_3} + NaOH (IV) FeCl3\mathrm{FeCl_3} + hot water Choose the correct answer from the options given below :
  1. (1)(A) - (II), (B) - (I), (C) - (IV), (D) - (III)Official answer
  2. (2)(A) - (III), (B) - (I), (C) - (IV), (D) - (II)
  3. (3)(A) - (II), (B) - (I), (C) - (III), (D) - (IV)
  4. (4)(A) - (III), (B) - (II), (C) - (I), (D) - (IV)

Official answer

Option 1

NTA final key.

Chapter
Surface Chemistry
Topic
Colloids
Idea tested
Colloid Classification by State

Same idea in other shifts

Asked 6× in all
  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. 4 Aug 2021, Shift 2 · Q31Match List-I with List-II : List-I : Examples of Colloids A. Paints B. Hair cream C. Whipped cream D. Cheese List-II : Type of Colloid I.…EasyMatch the listHas a figure
  3. 25 Jul 2021, Shift 2 · Q33Match List I with List II : List - I Example of Colloids (a) Cheese (b) Pumice stone (c) Hair cream (d) Cloud List - II Classification (i)…EasyMatch the list
  4. 17 Mar 2021, Shift 1 · Q32A colloidal system consisting of a gas dispersed in a solid is called a/an :EasySingle correct
  5. 4 Sep 2020, Shift 1 · Q26Match the following : (i) Foam (a) smoke (ii) Gel (b) cell fluid (iii) Aerosol (c) jellies (iv) Emulsion (d) rubber (e) froth (f) milkEasyMatch the list

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.