Aldehydes, Ketones and Carboxylic Acids

Natural rubber on complete ozonolysis $\left(\mathrm{O}_3 / \mathrm{Zn}-\mathrm{H}_2 \mathrm{O}\right)$ gives compound $\mathbf{X}$ as the major product. $\mathbf{X}$ gives positive iodoform and Tollen's tests. $\mathbf{X}$ on heating with ...

Match the major products obtained in the reactions given in List-I with the corresponding structures in List-II and choose the correct option.




List-I
List-II







(P)




...

The List-II contains products obtained from the reaction of compounds in List-I with $O_3$/Zn-$H_2O$ followed by cyclization (via more stable enolate) in the presence of aqueous NaOH. Match each entry in List-I with appropriate entry in Lis...

The sum of total number of carbonyl groups ($> {C}= {O}$) present in the major products X and Y in the following reactions is _____.

In the following reaction sequence, Q, R, S and T are the major products.The correct statement(s) about Q, R, S and T is(are) :

Considering LiBH4 reduces an ester group to the corresponding alcohol and does not reduce a carboxylic acid group, the correct statement about the major products P, Q, R and S is:

Monocyclic compounds $\mathbf{P}, \mathbf{Q}, \mathbf{R}$ and $\mathbf{S}$ are the major products formed in the reaction sequences given below.


The product having the highest number of unsaturated carbon atom(s) is :

The molecular weight of $\mathbf{U}$ is ______ .

Sum of number of oxygen atoms in $\mathbf{S}$ and $\mathbf{T}$ is _______.

An organic compound $\mathbf{P}$ having molecular formula $\mathrm{C}_6 \mathrm{H}_6 \mathrm{O}_3$ gives ferric chloride test and does not have intramolecular hydrogen bond. The compound $\mathbf{P}$ reacts with 3 equivalents of $\mathrm{NH...

In the following reaction sequence, the major product $\mathbf{Q}$ is

List-I contains various reaction sequences and List-II contains the possible products. Match each entry in List-I with the appropriate entry in List-II and choose the correct option.



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Complete reaction of acetaldehyde with excess formaldehyde, upon heating with conc. $\mathrm{NaOH}$ solution, gives $\mathbf{P}$ and $\mathbf{Q}$. Compound $\mathbf{P}$ does not give Tollens' test, whereas $\mathbf{Q}$ on acidification give...

In the following reactions, $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ are the major products.


The correct statement(s) about $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ is(are) :

The major products obtained from the reactions in List-II are the reactants for the named reactions mentioned in List-I. Match List-I with List-II and choose the correct option.

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In the following reactions, $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ are the major products.

The correct statement(s) about $\mathbf{P}, \mathbf{Q}, \mathbf{R}$, and $\mathbf{S}$ is(are) :

Considering the reaction sequence given below, the correct statement(s) is(are)

In the reaction given below, the total number of atoms having sp2 hybridization in the major product P is _________.

In the following reaction, compound Q is obtained from compound P via an ionic intermediateWhat is the degree of unsaturation of Q?

In the reaction scheme shown below Q, R and S are the major products.The correct structure of

Which of the following options has correct combination considering List-I and List-II?

Which of the following options has correct combination considering List-I and List-II?

Choose the correct option(s) for the following reaction sequenceConsider Q, R and S as major products.

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 (given, order of migratory aptitude: aryl > alkyl > hydrogen)

The correct option is

In the following reaction sequence, the amount of \(D\) (in g) formed from \(10\) moles of acetophenone is ___________.
(Atomic weights in \(g\,mo{l^{ - 1}}:H = 1,C = 12,\) \(N = 14,O = 16,\) \(Br = 80.\). The yield (%) corresponding to th...

The reaction (s) leading to the formation of \(1,3,5\)-trimethylbenzene is (are)

The compound \(Z\) is

The compound \(Y\) is

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 polymer dacron. Upon ozonolysis, P gives an aliphatic ketone as one of the products. P und...

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 polymer dacron. Upon ozonolysis, P gives an aliphatic ketone as one of the products. P und...

Compounds \(P\) and \(R\) upon ozonolysis produce \(Q\) and \(S,\) respectively. The molecular formula of \(Q\) and \(S\) is \({C_8}{H_8}O.Q\) undergoes Canninzzaro reaction but not haloform reaction, whereas \(S\) undergoes haloform react...

The product \(S\) is

The reactions, \(Q\) to \(R\) and \(R\) to \(S,\) are

The only CORRECT combination in which the reaction proceeds through radical mechanism is :

For the synthesis of benzoic acid, the only CORRECT combination is

The only CORRECT combination that gives two different carboxylic acids is :

Reagent(s) which can be used to bring about the following transformation is(are)

The major product of the following reaction sequence is:

The correct order of acidity for the following compounds is

Positive Tollen’s test is observed for

The correct statements about of the following reaction sequence is (are)
Cumene (C9H12) \(\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{(ii)\,{H_3}{O^ + }}^{(i)\,{O_2}}}\) P $$\mathrel{\mathop{\kern0pt\longrightarrow}
\limits_{}^{CHC...

In the following reactions

The major compound Y is

In the following reactions

Compound X is

Among the following the number of reactions that produces benzaldehyde is _________.

The major product of 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 List II and select the correct answer using the code given below the lists.

The major product in the following reaction is

Consider all possible isomeric ketones including stereoisomers of MW = 100. All these isomers are independently reacted with NaBH4 (Note : stereoisomers are also reacted separately). The total number of ketones that give a racemic product(s...

In the following reaction sequences V and W are, respectively,