Aldehyde and Ketone PYQs - Last 5 Years
MHT CET / Chemistry / Organic Chemistry / 102 recent questions
ChemistryOrganic Chemistry2022-2026
Practice 102 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.
102
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Chemistry / Organic Chemistry
2022-2026
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102
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2022-2026
102
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2017-2026
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Last 5 Years Aldehyde and Ketone Questions
Showing 50 of 102 filtered questions.
1Aldehyde And Ketone
Identify the product of following reaction.
Formaldehyde + Benzaldehyde \(\xrightarrow[\mathrm{H}_3 \mathrm{O}^{+}]{\text {conc. } \mathrm{NOH}} \text { product }\)
Formaldehyde + Benzaldehyde \(\xrightarrow[\mathrm{H}_3 \mathrm{O}^{+}]{\text {conc. } \mathrm{NOH}} \text { product }\)
MCQ+1 / -02025
2Aldehyde And Ketone
Identify the reagent $R$ used in following reaction.
Ketone \(\buildrel R \over \longrightarrow\) semi carbazone
Ketone \(\buildrel R \over \longrightarrow\) semi carbazone
MCQ+1 / -02025
3Aldehyde And Ketone
Identify the compound formed by action of chromyl chloride on toluene in presence of $\mathrm{CS}_2$ and hydrolysed further?
MCQ+1 / -02025
4Aldehyde And Ketone
Identify the product ' B ' in the following sequence of reactions.
Methyl magnesium bromide $\xrightarrow{\mathrm{CdCl}_2} \mathrm{~A}\xrightarrow{\mathrm{CH}_3 \mathrm{COCl}} \mathrm{~B}$
Methyl magnesium bromide $\xrightarrow{\mathrm{CdCl}_2} \mathrm{~A}\xrightarrow{\mathrm{CH}_3 \mathrm{COCl}} \mathrm{~B}$
MCQ+1 / -02025
5Aldehyde And Ketone
Benzonitrile on reduction with stannous chloride in presence of hydrochloric acid followed by acid hydrolysis forms,
MCQ+1 / -02025
6Aldehyde And Ketone
What is the product obtained in the reaction?
$\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2-\mathrm{CHO} \xrightarrow[\text { (i) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{LAH}_4}$ product
$\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2-\mathrm{CHO} \xrightarrow[\text { (i) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{LAH}_4}$ product
MCQ+1 / -02024
7Aldehyde And Ketone
Which of the following compounds is used to convert acetaldehyde into acetaldehyde cynanohydrin?
MCQ+1 / -02024
8Aldehyde And Ketone
Identify the test from following so that aldehyde when boiled with ammoniacal silver nitrate solution deposts silver.
MCQ+1 / -02024
9Aldehyde And Ketone
What type of following compounds is obtained in first step of Wolf-Kishner reduction of carbonyl compounds?
MCQ+1 / -02024
10Aldehyde And Ketone
Which of the following is Stephen reaction?
MCQ+1 / -02024
11Aldehyde And Ketone
Which of the following compounds when treated with ammoniacal silver nitrate exhibits silver mirror test?
MCQ+1 / -02024
12Aldehyde And Ketone
What is the general molecular formula of aldehydes?
MCQ+1 / -02024
13Aldehyde And Ketone
Identify the product ' B ' in the following sequence of reactions.
Propanone $\xrightarrow{\mathrm{B_a}(\mathrm{OH})_2} A \xrightarrow[-\mathrm{H}_2 \mathrm{O}]{\Delta} B$
Propanone $\xrightarrow{\mathrm{B_a}(\mathrm{OH})_2} A \xrightarrow[-\mathrm{H}_2 \mathrm{O}]{\Delta} B$
MCQ+1 / -02024
14Aldehyde And Ketone
Identify the reagent ' R ' used in the following reaction.
Benzoyl chloride \(\to\) Benzaldehyde
Benzoyl chloride \(\to\) Benzaldehyde
MCQ+1 / -02024
15Aldehyde And Ketone
Which of the following compounds does not undergo haloform reaction?
MCQ+1 / -02024
16Aldehyde And Ketone
What type of product is obtained when formaldehyde reacts with $\mathrm{CH}_3 \mathrm{MgBr}$ in dry ether?
MCQ+1 / -02024
17Aldehyde And Ketone
Identify the product ' B ' in the following sequence of reactions.
\(\mathrm{CH}_3 \mathrm{MgBr} \xrightarrow{\mathrm{CdCl}_2} \mathrm{~A} \xrightarrow{\mathrm{CH}_3 \mathrm{COCl}_1} \mathrm{~B}\)
\(\mathrm{CH}_3 \mathrm{MgBr} \xrightarrow{\mathrm{CdCl}_2} \mathrm{~A} \xrightarrow{\mathrm{CH}_3 \mathrm{COCl}_1} \mathrm{~B}\)
MCQ+1 / -02024
18Aldehyde And Ketone
Identify the product 'B' in the following reaction.
Ethylphenyl ketone $\xrightarrow{\mathrm{H}_2 \mathrm{~N}-\mathrm{NH}_2}$ A $\xrightarrow[\Delta]{\mathrm{KOH}, \mathrm{HO}\left(\mathrm{CH}_2\right)_2 \mathrm{OH}}$ B
Ethylphenyl ketone $\xrightarrow{\mathrm{H}_2 \mathrm{~N}-\mathrm{NH}_2}$ A $\xrightarrow[\Delta]{\mathrm{KOH}, \mathrm{HO}\left(\mathrm{CH}_2\right)_2 \mathrm{OH}}$ B
MCQ+1 / -02024
19Aldehyde And Ketone
Which of the following reactions represents Clemmensen reduction?
MCQ+1 / -02024
20Aldehyde And Ketone
Identify name of reaction when aldehyde or ketone react with $\mathrm{Zn}-\mathrm{Hg} /$ conc. HCl to give alkane.
MCQ+1 / -02024
21Aldehyde And Ketone
Aldol condensation reaction is
MCQ+1 / -02024
22Aldehyde And Ketone
Identify the reagent ' R ' used in the following reaction.
Ketone $\xrightarrow{\mathbf{R}}$ Semicarbazone
Ketone $\xrightarrow{\mathbf{R}}$ Semicarbazone
MCQ+1 / -02024
23Aldehyde And Ketone
Which of the following is a simple ketone?
MCQ+1 / -02024
24Aldehyde And Ketone
Identify reactant 'A' in following reaction.
MCQ+1 / -02024
25Aldehyde And Ketone
Identify the product obtained when excess of benzoyl chloride is treated with dimethyl cadmium.
MCQ+1 / -02024
26Aldehyde And Ketone
Identify product 'B' in following reaction
MCQ+1 / -02024
27Aldehyde And Ketone
Identify the product in following reaction.
Pent -3-enenitrile $\xrightarrow[\mathrm{H}_3 \mathrm{O}^{+}]{\mathrm{AlH}(\mathrm{B}-\mathrm{B})_2}$ product
Pent -3-enenitrile $\xrightarrow[\mathrm{H}_3 \mathrm{O}^{+}]{\mathrm{AlH}(\mathrm{B}-\mathrm{B})_2}$ product
MCQ+1 / -02024
28Aldehyde And Ketone
Identify an aldehyde used in margarine and in food for its buttery odour.
MCQ+1 / -02024
29Aldehyde And Ketone
What type of reaction is the formation of aldol from aldehyde?
MCQ+1 / -02023
30Aldehyde And Ketone
Identify the product 'B' in following reaction.
Ethyl phenyl ketone \(\mathrm{\buildrel {{H_2}N - N{H_2}} \over \longrightarrow}\) A \(\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_\Delta ^{KOH,HO - {{(C{H_2})}_2} - OH}}}\)
Ethyl phenyl ketone \(\mathrm{\buildrel {{H_2}N - N{H_2}} \over \longrightarrow}\) A \(\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_\Delta ^{KOH,HO - {{(C{H_2})}_2} - OH}}}\)
MCQ+1 / -02023
31Aldehyde And Ketone
Which of the following on reaction with ammoniacal silver nitrate forms silver precipitate?
MCQ+1 / -02023
32Aldehyde And Ketone
Identify the product '\(\mathrm{B}\)' in the following reaction. Toluene \(\xrightarrow[\mathrm{CS}_2]{\text { Chromylchloride }} \mathrm{A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}}\mathrm{B}\)
MCQ+1 / -02023
33Aldehyde And Ketone
Identify the reaction in which 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 / -02023
34Aldehyde And Ketone
Identify substrate 'A' in the following reaction.
2nA \(\mathrm{\buildrel {Dimethyl\,cadmium} \over \longrightarrow}\) 2n Propanone + n Cadmium chloride
2nA \(\mathrm{\buildrel {Dimethyl\,cadmium} \over \longrightarrow}\) 2n Propanone + n Cadmium chloride
MCQ+1 / -02023
35Aldehyde And Ketone
Which of the following is Clemmensen reduction?
MCQ+1 / -02023
36Aldehyde And Ketone
Identify the compound '\(\mathrm{A}\)' in the following sequence of reactions.
$$\text { A } \xrightarrow[\text { Dryether }]{\mathrm{C}_2 \mathrm{H}_3 \mathrm{MgBr}} \mathrm{B} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} \text {3-Methylpenta...
$$\text { A } \xrightarrow[\text { Dryether }]{\mathrm{C}_2 \mathrm{H}_3 \mathrm{MgBr}} \mathrm{B} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} \text {3-Methylpenta...
MCQ+1 / -02023
37Aldehyde And Ketone
Which following reagent is used in Etard reaction?
MCQ+1 / -02023
38Aldehyde And Ketone
Which of the following is NOT prepared by the action of Grignard's reagent on methanal?
MCQ+1 / -02023
39Aldehyde And Ketone
Which from following compounds is obtained when toluene is treated with \(\mathrm{CrO}_2 \mathrm{Cl}_2\) in presence of \(\mathrm{CS}_2\) followed by acid hydrolysis?
MCQ+1 / -02023
40Aldehyde And Ketone
Which among the following is a simple ketone?
MCQ+1 / -02023
41Aldehyde And Ketone
What type of following phenomena does the Cannizzaro reaction exhibit?
MCQ+1 / -02023
42Aldehyde And Ketone
Which of the following reactions is Rosenmund reduction?
MCQ+1 / -02023
43Aldehyde And Ketone
Identify product '\(B\)' in following sequence of reactions.
2n Propanone \(\mathrm{\buildrel {Ba{{(OH)}_2}} \over \longrightarrow}\) A \(\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ - {H_2}O}^\Delta }}\) nB
2n Propanone \(\mathrm{\buildrel {Ba{{(OH)}_2}} \over \longrightarrow}\) A \(\mathrm{\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ - {H_2}O}^\Delta }}\) nB
MCQ+1 / -02023
44Aldehyde And Ketone
Which of the following compounds is obtained by Rosenmund reduction of benzoyl chloride?
MCQ+1 / -02023
45Aldehyde And Ketone
Identify the products of following reaction:
MCQ+1 / -02023
46Aldehyde And Ketone
Identify the reagent 'R' used in the following reaction.
MCQ+1 / -02023
47Aldehyde And Ketone
Identify ketone from the following.
MCQ+1 / -02023
48Aldehyde And Ketone
Which among the following colours is obtained in Schiff test of aldehydes?
MCQ+1 / -02023
49Aldehyde And Ketone
Which among the following compounds is hemiacetal?
MCQ+1 / -02023
50Aldehyde And Ketone
Which of the following reagents is used in Gatterman-Koch formylation of arene?
MCQ+1 / -02023