Aldehydes and Ketones

4-Hydroxybenzaldehyde is treated with Br$_2$ to give A; A with NH$_2$OH gives B; B is heated with P$_2$O$_5$ to give C.

Consider the above reaction sequence, the Product 'C' is :

Consider the following reaction sequence : 4-aminobenzonitrile is treated with (i) AlH(i-Bu)$_2$, (ii) H$_2$O to give 'A', which with CH$_3$CHO / dil NaOH, Δ gives B (Major Product).

The product 'B' is :

The number of stereoisomers formed in a reaction of (±)Ph(C=O)C(OH)(CN)Ph with HCN is _______.

[where Ph is −C$_6$H$_5$]

The value of $\mathbf y$ is ____.

In the reaction given below, the total number of atoms having $sp^2$ hybridization in the major product $\mathbf P$ is ____.

The reaction sequence(s) that would lead to o-xylene as the major product is(are)

'A' and 'B' in the following reactions are :

Aniline is treated with NaNO$_2$/HCl and then KCN to give (A); (A) with SnCl$_2$/HCl/H$_3$O$^+$ gives (B).

In the reaction scheme shown below, Q, R, and S are the major products.

The correct structure of

Choose the correct option(s) for the following set of reactions

Choose the correct option(s) for the following reaction sequence

Consider Q, R and S as major products

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?

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

The compound Y is

The compound Z is

In the following reaction sequence, the amount of D (in g) formed from 10 moles of acetophenone is ____.

(Atomic weights in g mol$^{-1}$: H = 1, C = 12, N = 14, O = 16, Br = 80. The yield (%) corresponding to the product in each step is given in the parenthesis)

Acetophenone → [NaOBr; H$_3$O$^+$] → A (60%) → [NH$_3$, Δ] → B (50%) → [Br$_2$/KOH] → C (50%) → [Br$_2$ (3 equiv), AcOH] → D (100%)

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

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

The only CORRECT combination that gives two different carboxylic acids is

Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is $\ce{C8H8O}$. Q undergoes Cannizzaro reaction but not haloform reaction, whereas S undergoes haloform reaction but not Cannizzaro reaction.

(i) P $\xrightarrow{\text{i) } \ce{O3/CH2Cl2};\ \text{ii) } \ce{Zn/H2O}}$ Q ($\ce{C8H8O}$)

(ii) R $\xrightarrow{\text{i) } \ce{O3/CH2Cl2};\ \text{ii) } \ce{Zn/H2O}}$ S ($\ce{C8H8O}$)

The option(s) with suitable combination of P and R, respectively, is(are)