JEE Main Chemistry · Aldehydes, Ketones and Carboxylic Acids
Sodium Bicarbonate Effervescence Test
Sodium Bicarbonate Effervescence Test (Aldehydes, Ketones and Carboxylic Acids) was asked 3 times in 3 JEE Main shifts, 2021–2025, out of the 42 shifts Lumi analysed.
- Times asked
- 3
- in 3 shifts
- Years
- 2021–2025
- Usual format
- Diagram based
- Application
- Pattern
- Occasional
- repeats across shifts
How it is asked
- Odd-one-out among acidic compounds
- Match list on reagents to distinguish compounds
Difficulty
Easy 1Medium 2Hard 0
Where it sits
Chapter: Aldehydes, Ketones and Carboxylic Acids. Topic: Organic Acidity and Basicity, 8 questions over 6 ideas.
Every time it came
All 3 questions
Newest first, each with its options and official answer.
- 7 Apr 2025, Shift 1 · Q68Which of the following compounds is least likely to give effervescence of in presence of aq. ?EasyDiagram basedHas a figure
- 8 Apr 2025, Shift 2 · Q61Match the LIST-I with LIST-II LIST-I (Reagent) | LIST-II (Functional Group detected) A. Sodium bicarbonate solution | I. double bond/…MediumMatch the list
- 25 Jul 2021, Shift 1 · Q50Which one of the following compounds will liberate , when treated with ?MediumSingle correct