Aldehyde and Ketone PYQs - Last 10 Years
MHT CET / Chemistry / Organic Chemistry / 137 recent questions
ChemistryOrganic Chemistry2017-2026
Practice 137 MHT CET Chemistry questions from Aldehyde and Ketone. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
137
PYQs on Page
Chemistry / Organic Chemistry
2019-2026
Year Range
Based on indexed question metadata
102
Last 5 Years
2022-2026
137
Last 10 Years
2017-2026
Recent Year Trend
2021
2022
2023
2024
2025
2026Latest year
202134 max PYQs/year2026
Question Types
137PYQs
MCQ100%
Difficulty Mix
#1 Unknown137
102 in last 5 years137 in last 10 years
Last 10 Years Aldehyde and Ketone Questions
Showing 50 of 137 filtered questions.
1Aldehyde And Ketone
Which of the following reaction represents Rosenmund reduction ?
MCQ+1 / -02026
2Aldehyde And Ketone
Which of the following on reaction with Grignard's reagent followed by hydrolysis forms tertiary alcohol ?
MCQ+1 / -02026
3Aldehyde And Ketone
Which of the following reactions is preferentially used to prepare the corresponding paraffins from alkanone?
MCQ+1 / -02026
4Aldehyde And Ketone
Which of the following compounds exhibits Schiff test?
MCQ+1 / -02026
5Aldehyde And Ketone
Identify the compound obtained when ethyl methyl ketone is treated with $\text{CH}_3\text{MgBr}$ and hydrolyzed.
MCQ+1 / -02026
6Aldehyde And Ketone
Which from the following aldehydes contains two $-\text{CHO}$ groups in a molecule?
MCQ+1 / -02026
7Aldehyde And Ketone
Identify the aldehyde from following so that the aldehydic group is NOT attached with any $sp^3$ hybrid 'c' atom.
MCQ+1 / -02026
8Aldehyde And Ketone
What is the product formed on Rosenmund reduction of benzoyl chloride ?
MCQ+1 / -02026
9Aldehyde And Ketone
Which among the following is an aromatic aldehyde ?
MCQ+1 / -02026
10Aldehyde And Ketone
Benzonitrile on reaction with a reagent in dry ether followed by hydrolysis forms benzophenone along with ammonia and hydroxymagnesium bromide. Identify the reagent used in above transformation.
MCQ+1 / -02026
11Aldehyde And Ketone
Identify the product 'B' in the following reaction$\text{Isopropyl cyanide} \xrightarrow{\large{\text{SnCl}_2, \text{HCl}}} \text{A} \xrightarrow{\large{\text{H}_3\text{O}^+}} \text{B} + \text{NH}_4\text{Cl}$
MCQ+1 / -02026
12Aldehyde And Ketone
Identify the reagent 'R' used in the following reaction$\text{C}_6\text{H}_5\text{COCl} \xrightarrow{\large{\text{R}}} \text{C}_6\text{H}_5\text{CHO} + \text{HCl}$
MCQ+1 / -02026
13Aldehyde And Ketone
Identify the 'product' in the following reaction.Pent - 3 - enenitrile $\xrightarrow[\large{\text{H}_3\text{O}^+}]{\large{\text{Al H (i-Bu)}_2}}$ Product
MCQ+1 / -02026
14Aldehyde And Ketone
Identify the product 'Y' in the following reaction $\text{Benzonitrile} \xrightarrow{\large{\text{C}_6\text{H}_5\text{MgBr} / \text{dry ether}}} X \xrightarrow{\large{\text{H}_3\text{O}^+}} Y + \text{MgBr(OH)} + \text{NH}_3$
MCQ+1 / -02026
15Aldehyde And Ketone
Identify the product 'B' in the following reaction$\text{Toluene} \xrightarrow{\large{\text{Chromyl chloride} / \text{CS}_2}} A \xrightarrow{\large{\text{H}_3\text{O}^+}} B$
MCQ+1 / -02026
16Aldehyde And Ketone
An organic compound $\text{CH}_3\text{-CH=CH-CH}_2\text{-CHO}$ is taken in two different containers A and B. Sample in A is treated with $\text{H}_2$ / Ni forming new compound P. Sample in B is treated with $\text{LiAlH}_4$ and hydrolyzed f...
MCQ+1 / -02026
17Aldehyde And Ketone
Which of following observations is found in Tollens test for aldehydes?
MCQ+1 / -02026
18Aldehyde And Ketone
Identify the name of the above reaction.
MCQ+1 / -02026
19Aldehyde And Ketone
Acetone on heating with $\text{CrO}_3$ mainly forms,
MCQ+1 / -02026
20Aldehyde And Ketone
Aldehydes are more reactive than ketone towards nucleophilic attack because of?
MCQ+1 / -02026
21Aldehyde And Ketone
Which of the following statements is true regarding Cannizzaro reaction?
MCQ+1 / -02026
22Aldehyde And Ketone
In the following sequence of the reaction, the final product "C" is-
MCQ+1 / -02026
23Aldehyde And Ketone
Identify the product obtained when ketone reacts with $\text{NH}_2$-$\text{NH}_2$.
MCQ+1 / -02026
24Aldehyde And Ketone
Identify the reagent used in the transformation of Ketone into semicarbazone.
MCQ+1 / -02026
25Aldehyde And Ketone
Identify the alcohol obtained when aldehyde other than formaldehyde is treated with Grignard's reagent followed by hydrolysis.
MCQ+1 / -02026
26Aldehyde And Ketone
Find the structure of A in following reaction
MCQ+1 / -02026
27Aldehyde And Ketone
Identify the reagent used in Etard reaction
MCQ+1 / -02026
28Aldehyde And Ketone
Identify the use of Formalin from the followings.
MCQ+1 / -02026
29Aldehyde And Ketone
Which of the following compounds can not form iodoform?
MCQ+1 / -02026
30Aldehyde And Ketone
Which of the following compounds dose NOT respond positively to the iodoform test ?
MCQ+1 / -02026
31Aldehyde And Ketone
Identify the product obtained when Grignard reagent reacts with alkyl cyanide followed by acid hydrolysis.
MCQ+1 / -02026
32Aldehyde And Ketone
Acetaldehyde, when heated in the presence of sodium hydroxide and iodine forms
MCQ+1 / -02026
33Aldehyde And Ketone
Which of the following reactions is an example of a disproportionation reaction?
MCQ+1 / -02026
34Aldehyde And Ketone
When ethanal and propanal undergo aldol condensation with dilute NaOH, the pair of products obtained by cross condensation reaction is
MCQ+1 / -02026
35Aldehyde And Ketone
Identify the reaction so that carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with Zinc-amalgam and concentrated hydrochloric acid.
MCQ+1 / -02025
36Aldehyde And Ketone
Which of the following on reaction with Grignards reagent followed by hydrolysis forms tertiary alcohol?
MCQ+1 / -02025
37Aldehyde And Ketone
Identify the reagent used for Rosenmund reduction.
MCQ+1 / -02025
38Aldehyde And Ketone
Identify the products of following reaction?
Formaldehyde + Benzaldehyde$\xrightarrow[\text { ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {i) conc. } \mathrm{NaOH}}$ Products
Formaldehyde + Benzaldehyde$\xrightarrow[\text { ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {i) conc. } \mathrm{NaOH}}$ Products
MCQ+1 / -02025
39Aldehyde And Ketone
Which of the following does NOT exhibit haloform reaction?
MCQ+1 / -02025
40Aldehyde And Ketone
Identify the product formed when Hex-3-enenitrile is reduced with diisobutylaluminium hydride followed by acid hydrolysis?
MCQ+1 / -02025
41Aldehyde And Ketone
Identify the name of reaction if carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with hydrazine followed by heating with sodium hydroxide in ethylene glycol.
MCQ+1 / -02025
42Aldehyde And Ketone
Which of the following is used as reagent in Etard reaction?
MCQ+1 / -02025
43Aldehyde And Ketone
Which among the following compounds has highest boiling point?
MCQ+1 / -02025
44Aldehyde And Ketone
Which of the following is structural formula of mesityl oxide?
MCQ+1 / -02025
45Aldehyde And Ketone
Which among the following has lowest boiling point?
MCQ+1 / -02025
46Aldehyde And Ketone
Identify the reagent ' $R$ ' used in the following reaction.
Ketone $\xrightarrow{\mathrm{R}}$ Semicarbazone
Ketone $\xrightarrow{\mathrm{R}}$ Semicarbazone
MCQ+1 / -02025
47Aldehyde And Ketone
Which from following reagents is used in Gatterman-Koch formylation of arene?
MCQ+1 / -02025
48Aldehyde And Ketone
Which among the following compounds forms pink colouration on addition of Schiff's reagent?
MCQ+1 / -02025
49Aldehyde And Ketone
Identify the product ' B ' in following reaction.
Ethanal $\xrightarrow{\text { dil } \mathrm{NaOH}} A \xrightarrow[\mathrm{H}_2 \mathrm{O}]{\Delta} B$
Ethanal $\xrightarrow{\text { dil } \mathrm{NaOH}} A \xrightarrow[\mathrm{H}_2 \mathrm{O}]{\Delta} B$
MCQ+1 / -02025
50Aldehyde And Ketone
Which from following compounds has highest boiling point?
MCQ+1 / -02025