JEE Main 2021 — Hydrocarbons Question with Solution
From: JEE Main 2021 (Online) 18th March Morning Shift
Question
Match List - I with List - II :
List - I (Chemicals)
(a) Alcoholic potassium hydroxide
(b) Pd/BaSO4
(c) BHC (Benzene hexachloride)
(d) Polyacetylene
List - II (Use / Preparation / Constituent)
(i) Electrodes in batteries
(ii) Obtained by addition reaction
(iii) Used for - elimination reaction
(iv) Lindlar's catalyst
Choose the most appropriate match :
List - I (Chemicals)
(a) Alcoholic potassium hydroxide
(b) Pd/BaSO4
(c) BHC (Benzene hexachloride)
(d) Polyacetylene
List - II (Use / Preparation / Constituent)
(i) Electrodes in batteries
(ii) Obtained by addition reaction
(iii) Used for - elimination reaction
(iv) Lindlar's catalyst
Choose the most appropriate match :
Choose an option
Show full solutionCorrect option: B
Correct answer
B(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)
Step-by-step explanation
Alc. KOH causes elimination
Pd / BaSO4 – Lindlar’s catalyst
BHC is obtained by the addition reaction of Cl2 with benzene in presence of U.V.
Thin film of polyacetylene can be used as electrode in batteries.
Pd / BaSO4 – Lindlar’s catalyst
BHC is obtained by the addition reaction of Cl2 with benzene in presence of U.V.
Thin film of polyacetylene can be used as electrode in batteries.
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This is a previous-year question from JEE Main 2021, covering the Hydrocarbons chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.