JEE Main Chemistry · Aldehydes, Ketones and Carboxylic Acids
Gattermann-Koch Formylation
Gattermann-Koch Formylation (Aldehydes, Ketones and Carboxylic Acids) was asked 4 times in 4 JEE Main shifts, 2021–2026, out of the 42 shifts Lumi analysed. 1 of the 4 had a numerical answer.
- Times asked
- 4
- in 4 shifts
- Years
- 2021–2026
- Usual format
- Single correct
- Recall
- Pattern
- Frequent
- repeats across shifts
How it is asked
- Pi electrons in product of named reactions
- Name reaction identification
Difficulty
Easy 2Medium 2Hard 0
Where it sits
Chapter: Aldehydes, Ketones and Carboxylic Acids. Topic: Aromatic Hydrocarbons, 28 questions over 14 ideas.
Other repeat ideas in this topic
Every time it came
All 4 questions
Newest first, each with its options and official answer.
- 8 Apr 2026, Shift 2 · Q72'' is the product which is obtained from benzene by reacting it with carbon monoxide and hydrogen chloride in the presence of cuprous…MediumNumerical value
- 9 Apr 2024, Shift 1 · Q75Identify major product "X" formed in the following reaction : [figure: benzene…EasySingle correctHas a figure
- 31 Jan 2024, Shift 2 · Q78Identify the name reaction. [reaction: benzene + CO, HCl --(anhydrous AlCl/CuCl)--> benzaldehyde (CHCHO)]EasySingle correctHas a figure
- 3 Aug 2021, Shift 2 · Q46Which one of the following reagents are not suitable for the preparation of benzaldehyde from benzene?MediumSingle correct