(a) Alcoholic potassium hydroxide→used for β−elimination
(b) Pd/BaSO4→ Lindlar's catalyst
(c) BHC (Benzene hexachloride)→Obtained by addition reactions
(d) Polyacetylene→Electrodes in batteries
Match List-I with List- II: List-I (Chemicals) List- II (Use / Preparation / Constituent) (a) Alcoholic potassium hydroxide (i) Electrodes in…
JEE Main 2021 — Chemistry Organic Chemistry
2021mcqmedium
Match List−I with List−II:
| List−I (Chemicals) | List−II (Use / Preparation / Constituent) | ||
| (a) | Alcoholic potassium hydroxide | (i) | Electrodes in batteries |
| (b) | Pd/BaSO4 | (ii) | Obtained by addition reaction |
| (c) | BHC (Benzene hexachloride) | (iii) | Used for β−elimination reaction |
| (d) | Polyacetylene | (iv) | Lindlar's catalyst |
Official previous-year question
Held on 18 Mar 2021 · Verified 6 Jul 2026.
Options
- A
a−ii,b−i,c−iv,d−iii
- B
a−iii,b−iv,c−ii,d−i
- C
a−iii,b−i,c−iv,d−ii
- D
a−ii,b−iv,c−i,d−iii
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