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JEE Advanced

Aldehydes, Ketones and Carboxylic Acids

Chemistry

Previous Years Questions

Numerical

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The total number of chiral molecules formed from one molecule of $\mathbf{P}$ on complete ozonolysis $\left(\mathrm{O}_{...
JEE Advanced 2022 Paper 2 Online
For the following reaction scheme, percentage yields are given along the arrow:xg and yg are mass of R and U, respective...
JEE Advanced 2021 Paper 1 Online
For the following reaction scheme, percentage yields are given along the arrow:x g and y g are mass of R and U, respecti...
JEE Advanced 2021 Paper 1 Online
In the following reaction, compound Q is obtained from compound P via an ionic intermediateWhat is the degree of unsatur...
JEE Advanced 2020 Paper 1 Offline
In the following reaction sequence, the amount of $$D$$ (in g) formed from $$10$$ moles of acetophenone is ___________. ...
JEE Advanced 2018 Paper 2 Offline
Among the following the number of reactions that produces benzaldehyde is _________. ...
JEE Advanced 2015 Paper 2 Offline
Consider all possible isomeric ketones including stereoisomers of MW = 100. All these isomers are independently reacted ...
JEE Advanced 2014 Paper 1 Offline
The total number of carboxylic acid groups is the product P is _________. ...
JEE Advanced 2013 Paper 1 Offline

MCQ (More than One Correct Answer)

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Considering the reaction sequence given below, the correct statement(s) is(are) ...
JEE Advanced 2022 Paper 1 Online
Consider the following transformations of a compound P. Choose the correct option(s)....
JEE Advanced 2020 Paper 2 Offline
Which of the following reactions produce(s) propane as a major product?
JEE Advanced 2019 Paper 2 Offline
Choose the correct option(s) for the following reaction sequence Consider Q, R and S as major products....
JEE Advanced 2019 Paper 2 Offline
Choose the correct option(s) for the following set of reactions. ...
JEE Advanced 2019 Paper 1 Offline
The reaction (s) leading to the formation of $$1,3,5$$-trimethylbenzene is (are)
JEE Advanced 2018 Paper 1 Offline
Compounds $$P$$ and $$R$$ upon ozonolysis produce $$Q$$ and $$S,$$ respectively. The molecular formula of $$Q$$ and $$S$...
JEE Advanced 2017 Paper 2 Offline
Reagent(s) which can be used to bring about the following transformation is(are) ...
JEE Advanced 2016 Paper 2 Offline
The correct statements about of the following reaction sequence is (are) Cumene (C9H12) $$\mathrel{\mathop{\kern0pt\long...
JEE Advanced 2016 Paper 1 Offline
Positive Tollen’s test is observed for
JEE Advanced 2016 Paper 1 Offline
The major product of the following reaction is ...
JEE Advanced 2015 Paper 1 Offline
The major product U in the following reactions is ...
JEE Advanced 2015 Paper 2 Offline
In the reaction shown below, the major product(s) formed is/are ...
JEE Advanced 2014 Paper 1 Offline
After completion of the reactions (I and II), the organic compound(s) in the reaction mixtures is(are) ...
JEE Advanced 2013 Paper 2 Offline
Identify the binary mixtures that can be separated into individual compounds, by differential extraction, as shown in th...
IIT-JEE 2012 Paper 1 Offline
With reference to the scheme given, which of the given statement(s) about T, U, V and W is(are) correct? ...
IIT-JEE 2012 Paper 2 Offline

MCQ (Single Correct Answer)

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List-I includes starting materials and reagents of selected chemical reactions. List-II gives structures of compounds th...
JEE Advanced 2019 Paper 2 Offline
List-I includes starting materials and reagents of selected chemical reactions. List-II gives structures of compounds th...
JEE Advanced 2019 Paper 2 Offline
The correct order of acid strength of the following carboxylic acids is ...
JEE Advanced 2019 Paper 1 Offline
The desired product $$X$$ can be prepared by reacting the major product of the reactions in LIST-I with one or more app...
JEE Advanced 2018 Paper 2 Offline
Treatment of benzene with $$CO/HCl$$ in the presence of anhydrous $$AlC{l_3}/CuCl$$ followed by reaction with $$A{c_2}O...
JEE Advanced 2018 Paper 1 Offline
Treatment of benzene with $$CO/HCl$$ in the presence of anhydrous $$AlC{l_3}/CuCl$$ followed by reaction with $$A{c_2}O...
JEE Advanced 2018 Paper 1 Offline
An organic acid P $$\left( {{C_{11}}{H_{12}}{O_2}} \right)$$ can easily be oxidized to a dibasic acid which reacts with ...
JEE Advanced 2018 Paper 1 Offline
An organic acid P $$\left( {{C_{11}}{H_{12}}{O_2}} \right)$$ can easily be oxidized to a dibasic acid which reacts with ...
JEE Advanced 2018 Paper 1 Offline
In the following reaction sequence, the correct structure(s) of $$X$$ is (are) ...
JEE Advanced 2018 Paper 1 Offline
The product $$S$$ is
JEE Advanced 2017 Paper 2 Offline
The reactions, $$Q$$ to $$R$$ and $$R$$ to $$S,$$ are
JEE Advanced 2017 Paper 2 Offline
The only CORRECT combination that gives two different carboxylic acids is
JEE Advanced 2017 Paper 1 Offline
The only CORRECT combination in which the reaction proceeds through radical mechanism is
JEE Advanced 2017 Paper 1 Offline
For the synthesis of benzoic acid, the only CORRECT combination is
JEE Advanced 2017 Paper 1 Offline
The major product of the following reaction sequence is: ...
JEE Advanced 2016 Paper 2 Offline
The correct order of acidity for the following compounds is ...
JEE Advanced 2016 Paper 2 Offline
Different possible thermal decomposition pathways for peroxyesters are shown below. Match each pathway from List I with ...
JEE Advanced 2014 Paper 2 Offline
The major product in the following reaction is ...
JEE Advanced 2014 Paper 2 Offline
The compound that does NOT liberate CO2, on treatment with aqueous sodium bicarbonate solution, is
JEE Advanced 2013 Paper 1 Offline
Match the chemical conversations in List I with the appropriate reagents in List II and select the correct answer using ...
JEE Advanced 2013 Paper 2 Offline
In the following reaction sequences V and W are, respectively, ...
JEE Advanced 2013 Paper 2 Offline
Compounds formed from P and Q are, respectively,
JEE Advanced 2013 Paper 2 Offline
The number of optically active products obtained from the complete ozonolysis of the given compound is ______. ...
IIT-JEE 2012 Paper 1 Offline
The number of aldol reactions that occur in the given transformation are ...
IIT-JEE 2012 Paper 1 Offline
The carboxyl functional group ($$-$$COOH) is present in
IIT-JEE 2012 Paper 1 Offline
The compound K is
IIT-JEE 2012 Paper 2 Offline
The compound I is
IIT-JEE 2012 Paper 2 Offline
The compound that undergoes decarboxylation most readily under mild condition is
IIT-JEE 2012 Paper 2 Offline
The major product H of the given reaction sequence is $$C{H_3} - C{H_2} - CO - C{H_3}\buildrel {\overline C N} \over \l...
IIT-JEE 2012 Paper 2 Offline

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