Learn

Friday, 9 October

JEE Main 2021 · ChemistryMultiple choiceMatch the listMediumRecall

JEE Main 18 March 2021, Shift 1, Chemistry Q43

Question 43 of 90 in this shift, Chemistry question 13 of 30, Section A.

Match List - I with List - II : List - I (Chemicals) (a) Alcoholic potassium hydroxide (b) Pd/BaSO4\mathrm{BaSO_4} (c) BHC (Benzene hexachloride) (d) Polyacetylene List - II (Use/Preparation/Constituent) (i) electrodes in batteries (ii) obtained by addition reaction (iii) used for β\beta-elimination reaction (iv) Lindlar's Catalyst Choose the most appropriate match :
  1. (1)(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
  2. (2)(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
  3. (3)(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
  4. (4)(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)Official answer

Official answer

Option 4

NTA final key.

Chapter
Haloalkanes and Haloarenes
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.