Chemistry
Aldehydes, Ketones and Carboxylic Acids
Previous Years Questions

## MCQ (More than One Correct Answer)

Considering the reaction sequence given below, the correct statement(s) is(are) ...
Consider the following transformations of a compound P. Choose the correct option(s)....
Choose the correct option(s) for the following reaction sequence Consider Q, R and S as major products....
Which of the following reactions produce(s) propane as a major product?
Choose the correct option(s) for the following set of reactions. ...
The reaction (s) leading to the formation of $$1,3,5$$-trimethylbenzene is (are)
Compounds $$P$$ and $$R$$ upon ozonolysis produce $$Q$$ and $$S,$$ respectively. The molecular formula of $$Q$$ and $$S$$ is $${C_8}{H_8}O.Q$$ undergo...
Reagent(s) which can be used to bring about the following transformation is(are) ...
Positive Tollen’s test is observed for
The correct statements about of the following reaction sequence is (are) Cumene (C9H12) $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{(ii)\,{H_... The major product U in the following reactions is ... The major product of the following reaction is ... In the reaction shown below, the major product(s) formed is/are ... After completion of the reactions (I and II), the organic compound(s) in the reaction mixtures is(are) ... With reference to the scheme given, which of the given statement(s) about T, U, V and W is(are) correct? ... Identify the binary mixtures that can be separated into individual compounds, by differential extraction, as shown in the given scheme. ... ## Numerical For the following reaction scheme, percentage yields are given along the arrow:x g and y g are mass of R and U, respectively.(Use : Molar mass (in g m... For the following reaction scheme, percentage yields are given along the arrow:xg and yg are mass of R and U, respectively.(Use : Molar mass (in g mol... In the following reaction, compound Q is obtained from compound P via an ionic intermediateWhat is the degree of unsaturation of Q?... In the following reaction sequence, the amount of$$D$$(in g) formed from$$10$$moles of acetophenone is ___________. (Atomic weights in$$g\,mo{l^...
Among the following the number of reactions that produces benzaldehyde is _________. ...
Consider all possible isomeric ketones including stereoisomers of MW = 100. All these isomers are independently reacted with NaBH4 (Note : stereoisome...
The total number of carboxylic acid groups is the product P is _________. ...
In the scheme given below, the total number of intra molecular aldol condensation products formed from Y is ____________. ...

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