Aldehyde and Ketone PYQs - Last 5 Years
TS EAMCET / Chemistry / Organic Chemistry / 43 recent questions
ChemistryOrganic Chemistry2021-2025
Practice 43 TS EAMCET 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.
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2022-2025
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Last 5 Years Aldehyde and Ketone Questions
Showing 43 of 43 filtered questions.
1Aldehyde And Ketone
The reaction of benzene with CO and HCl in the presence of anhydrous $\mathrm{AlCl}_3$ gives a compound $X \cdot X$ can also be obtained from which of the following reaction?
MCQ+1 / -02025
2Aldehyde And Ketone
\(\text { Observe the following set of reactions }\)
\(\text { What are } X, Y \text { and } Z \text { respectively }\)
\(\text { What are } X, Y \text { and } Z \text { respectively }\)
MCQ+1 / -02025
3Aldehyde And Ketone
Toluene on reaction with reagent $A$ gives $X$. This $(X)$ forms 2, 4 dinitrophenylhydrazone and reduces ammoniacal silver nitrate solution. Reaction of toluene with another reagent $B$ forms $Y$, which dissolves in $\mathrm{NaHCO}_3$ with ...
MCQ+1 / -02025
4Aldehyde And Ketone
Identify the compounds $A$ and $B$ involved in the formation of given aldol
MCQ+1 / -02025
5Aldehyde And Ketone
The products $C$ and $D$ are
MCQ+1 / -02025
6Aldehyde And Ketone
Which of the following reactions is an example of Clemmensen reduction?
MCQ+1 / -02025
7Aldehyde And Ketone
Consider the following reaction sequence. $(A)$ and $(C)$ are$$
\mathrm{CH}_3 \mathrm{CHO} \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}]{\text {(i) } \mathrm{CH}_3 \mathrm{MgBr}}(A) \xrightarrow{\mathrm{H}_5 \mathrm{...
\mathrm{CH}_3 \mathrm{CHO} \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}]{\text {(i) } \mathrm{CH}_3 \mathrm{MgBr}}(A) \xrightarrow{\mathrm{H}_5 \mathrm{...
MCQ+1 / -02025
8Aldehyde And Ketone
\(\text { Identify the product ' } P \text { ' in the given reaction sequence. }\)
MCQ+1 / -02025
9Aldehyde And Ketone
\(\text { Toluene } \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{CrO}_2 \mathrm{Cl}_2 / \mathrm{CS}_2} X \xrightarrow{\text { Conc. } \mathrm{NaOH}} Y+Z\)
The correct statements about $Y$ and $Z$ are
A. $Y...
The correct statements about $Y$ and $Z$ are
A. $Y...
MCQ+1 / -02025
10Aldehyde And Ketone
The functional groups present in the product ' $X$ ' of the reaction given below are
MCQ+1 / -02024
11Aldehyde And Ketone
What is the major product $Z$ in the given reaction sequence?
$$ \left(\mathrm{CH}_3\right)_2 \mathrm{C}=\mathrm{O} \xrightarrow[\text { (ii) } 2 \mathrm{H}_2 \mathrm{O}^{+}]{(\mathrm{i}) \mathrm{C}_2 \mathrm{H}_5 \mathrm{MgBr}} \xrightarro...
$$ \left(\mathrm{CH}_3\right)_2 \mathrm{C}=\mathrm{O} \xrightarrow[\text { (ii) } 2 \mathrm{H}_2 \mathrm{O}^{+}]{(\mathrm{i}) \mathrm{C}_2 \mathrm{H}_5 \mathrm{MgBr}} \xrightarro...
MCQ+1 / -02024
12Aldehyde And Ketone
Assertion (A) : Aldehydes are more reactive than ketones towards nucleophilic addition reactions
Reason (R) : In aldehydes, carbonyl carbon is less electrophilic compared to ketones.
The correct answer is
Reason (R) : In aldehydes, carbonyl carbon is less electrophilic compared to ketones.
The correct answer is
MCQ+1 / -02024
13Aldehyde And Ketone
Identify the end product $(Z)$ in the sequence of the following reactions.
MCQ+1 / -02024
14Aldehyde And Ketone
What is ' $Z$ ' in the given sequence of reactions?
MCQ+1 / -02024
15Aldehyde And Ketone
$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} \xrightarrow[443 \mathrm{~K}]{\text { Conc. } \mathrm{H}_2 \mathrm{SO}_4} X \xrightarrow[\text { (ii) } \mathrm{Zn} / \mathrm{H}_2 \mathrm{O}\,(2 Moless)]{\text { (i) } \mathrm{O}_3} Y \xrightarrow...
MCQ+1 / -02024
16Aldehyde And Ketone
What is ' $C$ ' in the following reaction sequence?
MCQ+1 / -02024
17Aldehyde And Ketone
Identify the set, in which $X$ and $Y$ are correctly matched
MCQ+1 / -02024
18Aldehyde And Ketone
\(\text { What is } B \text { in the given reaction? }\)
MCQ+1 / -02023
19Aldehyde And Ketone
Arrange the following in the correct order of their reactivity towards nucleophilic addition reactions.
MCQ+1 / -02023
20Aldehyde And Ketone
Consider the following sequence of reactions,
$$ \mathrm{C}_2 \mathrm{H}_4 \xrightarrow[\text { (ii) } \mathrm{Zn} / \mathrm{H}_2 \mathrm{O}]{\text { (i) } \mathrm{O}_3} P \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}...
$$ \mathrm{C}_2 \mathrm{H}_4 \xrightarrow[\text { (ii) } \mathrm{Zn} / \mathrm{H}_2 \mathrm{O}]{\text { (i) } \mathrm{O}_3} P \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{O} / \mathrm{H}^{+}...
MCQ+1 / -02023
21Aldehyde And Ketone
The main reactants involved in Etard reaction are
MCQ+1 / -02023
22Aldehyde And Ketone
Conversion of $X$ into $Y$ is an example of the reaction
MCQ+1 / -02023
23Aldehyde And Ketone
Statement I Aldehyde on reaction with HCN gives cyanohydrin.
Statement II Cyanohydrin is a compound which consists of hydroxy and cyano groups on the same carbon.
Choose the correct answer from the following with reference to above statemen...
Statement II Cyanohydrin is a compound which consists of hydroxy and cyano groups on the same carbon.
Choose the correct answer from the following with reference to above statemen...
MCQ+1 / -02023
24Aldehyde And Ketone
The product( $s$ ) formed when $m$-chlorobenzaldehyde is heated with concentrated NaOH is/are
MCQ+1 / -02023
25Aldehyde And Ketone
\(\text { What is } X \text { in the following reaction sequence? }\)
MCQ+1 / -02023
26Aldehyde And Ketone
In which of the following pairs reactant is correctly matched with reagent that would form benzaldehyde as product?
MCQ+1 / -02023
27Aldehyde And Ketone
Identify $A$ and $B$ from the following reactions
MCQ+1 / -02023
28Aldehyde And Ketone
Consider the following reaction sequence
The correct statements about $Z$ are
I. It gives yellow precipitate with $\mathrm{I}_2$ and NaOH solution.
II. It undergoes disproportionation reaction in the presence of concentrated NaOH solution.
...
The correct statements about $Z$ are
I. It gives yellow precipitate with $\mathrm{I}_2$ and NaOH solution.
II. It undergoes disproportionation reaction in the presence of concentrated NaOH solution.
...
MCQ+1 / -02023
29Aldehyde And Ketone
What is the major product ' $C$ ' in the following sequence of reactions?
MCQ+1 / -02023
30Aldehyde And Ketone
Which of the following represents Gatterman-Koch reaction?
MCQ+1 / -02023
31Aldehyde And Ketone
In the reaction sequence, conversion of $B$ to $C$ is known as
MCQ+1 / -02023
32Aldehyde And Ketone
Assertion (A) Ammonia and its derivatives form $\mathrm{H}_2 \mathrm{~N}-\mathrm{Z}$ undergo condensation reaction with carbonyl compounds (aldehydes and ketones).
Reason (R) This reaction is an example of irreversible reaction.
The correct...
Reason (R) This reaction is an example of irreversible reaction.
The correct...
MCQ+1 / -02022
33Aldehyde And Ketone
\(\text { The major product in the following transformation is }\)
MCQ+1 / -02022
34Aldehyde And Ketone
Benzene on reaction with acetyl chloride in the presence of anhydrous $\mathrm{AlCl}_3$ gave the product $P$. The product $P$ on reaction with methylmagnesium bromide followed by treatment with water furnished the product $Q$. The molecular...
MCQ+1 / -02022
35Aldehyde And Ketone
In the following compounds, the ones that give positive iodoform test are
MCQ+1 / -02022
36Aldehyde And Ketone
\(\text { Match the following. }\)
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-b...
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-b...
MCQ+1 / -02022
37Aldehyde And Ketone
A primary alcohol was reacted with pyridinium chlorochromate (PCC), which resulted in a product $P$. The product $P$ on treatment with ammonical silver nitrate solution produces
MCQ+1 / -02022
38Aldehyde And Ketone
\(\text { Identify } X \text { and } Y \text { in the reactions, given below }\)
MCQ+1 / -02022
39Aldehyde And Ketone
The major product formed in the following reaction sequence is
MCQ+1 / -02022
40Aldehyde And Ketone
Which of the following reactions will give benzophenone as major product?
(A) Benzoyl chloride + benzene $+\mathrm{AlCl}_3$ (anhyd).
(B) Benzoyl chloride + phenylmagnesium bromide
(excess)
(C) Benzoyl chloride + diphenyl cadmium
(A) Benzoyl chloride + benzene $+\mathrm{AlCl}_3$ (anhyd).
(B) Benzoyl chloride + phenylmagnesium bromide
(excess)
(C) Benzoyl chloride + diphenyl cadmium
MCQ+1 / -02022
41Aldehyde And Ketone
\(\text { The major product in the following reactions is }\)
MCQ+1 / -02022
42Aldehyde And Ketone
\(\text { The major product of the following reaction is }\)
MCQ+1 / -02022
43Aldehyde And Ketone
Propyne was subjected to a reaction with $\mathrm{HgSO}_4 /$ dil. $\mathrm{H}_2 \mathrm{SO}_4$, which resulted in a product $P$. The product $P$ was heated with $\mathrm{Ba}(\mathrm{OH})_2$ to give the product $Q$. The molecular formula of ...
MCQ+1 / -02022