Aldehydes, Ketones and Carboxylic Acids · Chemistry · JEE Advanced

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 aqueous NaOH gives $\mathbf{Y}$ as the major product. $\mathbf{Y}$ is

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:

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 List-II and choose the correct option.

List-I	List-II
(P)	(1)
(Q)	(2)
(R)	(3)
(S)	(4)
	(5)

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)	(1)
(Q)	(2)
(R)	(3)
(S)	(4)
	(5)

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 :

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.

List-I	List-II

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 List II and select the correct answer using the code given below the lists.

Compounds formed from P and Q are, respectively,

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

The major product H of the given reaction sequence is

$$C{H_3} - C{H_2} - CO - C{H_3}\buildrel {\overline C N} \over \longrightarrow G\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{Heat}^{95\% \,{H_2}S{O_4}}} H$$

The compound that undergoes decarboxylation most readily under mild condition 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 structure of compound P is

The structure of the compound Q is

Match each of the compounds given in Column I with the reaction(s), that they can undergo, given in Column II.

	Column I		Column II
(A)		(P)	Nucleophilic substitution
(B)		(Q)	Elimination
(C)		(R)	Nucleophilic addition
(D)		(S)	Esterification with acetic anhydride
		(T)	Dehydrogenation

The structure of the carbonyl compound P is

The structures of the products Q and R, respectively, are

The structure of the product S is

In the following reaction sequence, the correct structure of E, F and G are :

The structure of the product I is :

The structure of compounds J and K, respectively, are:

The structure of product L is :

Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound E on further treatment with aqueous KOH yields compound F. Compound F is :

Match the compounds/ions in Column I with their properties/reactions in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 $$\times$$ 4 matrix given in the ORS.

Statement 1 : p-Hydroxybenzoic acid has a lower boiling point than o-hydroxybenzoic acid.

Statement 2 : o-Hydroxybenzoic acid has intramolecular hydrogen bonding.

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

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

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 $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{}^{CHC{l_3}/NaOH}} $$ Q (major) + R (minor)

Q $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{PhC{H_2}Br}^{NaOH}} $$ S

In the following reactions

Compound X is

In the following reactions

The major compound Y is

The major product of the following reaction is

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.

Which of the following reactants on reaction with conc. NaOH followed by acidification gives the following lactone as the only product?

The sum of total number of carbonyl groups ($> {C}= {O}$) present in the major products X and Y in the following reactions 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 $\mathrm{NH}_2 \mathrm{OH}$ to produce oxime $\mathbf{Q}$. Treatment of $\mathbf{P}$ with excess methyl iodide in the presence of $\mathrm{KOH}$ produces compound $\mathbf{R}$ as the major product. Reaction of $\mathbf{R}$ with excess iso-butylmagnesium bromide followed by treatment with $\mathrm{H}_3 \mathrm{O}^{+}$gives compound $\mathbf{S}$ as the major product.

The total number of methyl $\left(-\mathrm{CH}_3\right)$ group(s) in compound $\mathbf{S}$ is ___.

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 gives positive Tollens' test. Treatment of $\mathbf{P}$ with excess cyclohexanone in the presence of catalytic amount of $p$-toluenesulfonic acid (PTSA) gives product $\mathbf{R}$.

Sum of the number of methylene groups $\left(-\mathrm{CH}_2-\right)$ and oxygen atoms in $\mathbf{R}$ is __________.

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

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 ____________.

Amongst the following, the total number of compounds soluble in aqueous NaOH is _________.