31 Year NEET Previous Questions: Aldehydes, Ketones & Carboxylic Acids
MCQ Practice Test & Solutions: 31 Year NEET Previous Year Questions: Aldehydes, Ketones & Carboxylic Acids - 2 (50 Questions)
You can prepare effectively for NEET Topic-wise MCQ Tests for NEET with this dedicated MCQ Practice Test (available with solutions) on the important topic of "31 Year NEET Previous Year Questions: Aldehydes, Ketones & Carboxylic Acids - 2". These 50 questions have been designed by the experts with the latest curriculum of NEET 2026, to help you master the concept.
Test Highlights:
- - Format: Multiple Choice Questions (MCQ)
- - Duration: 100 minutes
- - Number of Questions: 50
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(CH3)3C—CHO does not undergo Aldol condensation due to [1996]
Detailed Solution: Question 1
Consider the following transformations :
The molecular formula of 
is [1996]
is [1996]Detailed Solution: Question 2
Aspirin is an acetylation product of [1998]
Detailed Solution: Question 3
An ester (A) with molecular fomula, C9H10O2 wastreated with excess of CH3MgBr and the complexso formed was treated with H2SO4 to give anolefin (B). Ozonolysis of (B) gave a ketone withmolecular formula C8H8O which shows +veiodoform test. The structure of (A) is [1998]
Detailed Solution: Question 4
Which one of the following esters cannotundergo Claisen self-condensation? [1998]
Detailed Solution: Question 5
Ketones
can be obtained in one step by [1998]
can be obtained in one step by [1998]Detailed Solution: Question 6
Iodoform test is not given by [1999]
Detailed Solution: Question 7
Acetaldehyde reacts with semicarbazide andforms semicarbazone. Its structure is [1999]
Detailed Solution: Question 8
Reaction of phenylacetylene with dil. H2SO4 and HgSO4 gives [1999]
Detailed Solution: Question 9
The cyanohydrin of a compound on hydrolysisgives an optically active α-hydroxy acid. Thecompound is [1999]
Detailed Solution: Question 10
Phenylmethyl ketone can be converted intoethylbezene in one step by which of the followingreagents? [1999]
Detailed Solution: Question 11
Polarization of electrons in acrolein may be written as: [2000]
Detailed Solution: Question 12
During reduction of aldehydes with hydrazine and potassium hydroxide, the first is the formation
of : [2000]
of : [2000]
Detailed Solution: Question 13
Benzoic acid may be converted to ethyl benzoateby reaction with : [2000]
Detailed Solution: Question 14
The catalyst used in Rosenmund's reduction is [2000]
Detailed Solution: Question 15
Which of the following is correct? [2001]
Detailed Solution: Question 16
Which of the following is incorrect? [2001]
Detailed Solution: Question 17
In the following reaction, product 'P' is [2002]
Detailed Solution: Question 18
In the above reaction product 'P' is [2002]
Detailed Solution: Question 19
A and B in the following reactions are [2003]
Detailed Solution: Question 20
In a set of the given reactions, acetic acid yielded a product C.
Product C would be - [2003]
Detailed Solution: Question 21
When m-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is (are) [2003]
Detailed Solution: Question 22
In the reaction
an asymmetric centre is generated. The acid obtained would be [2003]
Detailed Solution: Question 23
Which one of the following can be oxidised tothe corresponding carbonyl compound? [2004]
Detailed Solution: Question 24
The OH group of an alcohol or the –COOH groupof a carboxylic acid can be replaced by–Cl using [2004]
Detailed Solution: Question 25
Formalin is an aqueous solution of [1988]
Detailed Solution: Question 26
The reagent (s) which can be used to distinguishacetophenone from benzophenone is (are) [1990]
Detailed Solution: Question 27
In which of the following, the number of carbonatoms does not remain same when carboxylic acidis obtained by oxidation [1992]
Detailed Solution: Question 28
Pinacolone is [1994]
Detailed Solution: Question 29
Schotten-Baumann reaction is a reaction ofphenols with [1994]
Detailed Solution: Question 30
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