Nucleophilic addition

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

A molecule (X) with following structure under mild acidic condition is hydrolysed to produce (Y) and (Z). Identify the correct statements about (Y) and (Z).

A. Both (Y) and (Z) have same molar mass.

B. (Y) and (Z) can be distinguished from each other by $\ce{NaHCO3}$.

C. (Y) and (Z) react with HCN with same rates.

D. (Y) and (Z) undergo addition reaction with 2,4-DNP.

Choose the correct answer from the options given below :

Given below are two statements :

Statement I: The condensation reaction between $\ce{CH3-CH=O}$ and $\ce{H2N-NH-C(=O)-NH2}$ under optimum pH will produce $\ce{CH3-CH=N-C(=O)-NH-NH2}$

Statement II: The molecule, $\ce{Ph-CH(OH)(OCH3)}$ will generate $\ce{Ph-CH=O}$ in the presence of dilute acid.

In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements:

Statement I: 2,6-diethylcyclohexanone and 6-methyl-2-n-propylcyclohexanone are metamers.

Statement II: 2,2,6,6 - tetramethylcyclohexanone exhibits keto-enol tautomerism.

In the light of the above statements, choose the correct answer from the options given below

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.

An organic compound P having molecular formula $\ce{C6H6O3}$ gives ferric chloride test and does not have intramolecular hydrogen bond. The compound P reacts with 3 equivalents of $\ce{NH2OH}$ to produce oxime Q. Treatment of P with excess methyl iodide in the presence of KOH produces compound R as the major product. Reaction of R with excess iso-butylmagnesium bromide followed by treatment with $\ce{H3O+}$ gives compound S as the major product.

The total number of methyl ($\ce{-CH3}$) group(s) in compound S is _____.

In the following reactions, P, Q, R, and S are the major products.

The correct statement(s) about P, Q, R, and S is(are)

The total number of $sp^2$ hybridised carbon atoms in the major product P (a non-heterocyclic compound) of the following reaction is _____.

Which of the following is an example of conjugated diketone ?

4-Methoxybenzyl bromide (structure shown) is treated with (i) NaCN (ii) $\mathrm{OH^-}$ (iii) Cyclohexanone (iv) $\mathrm{H_2}$, Ni, to give A, the major product.

The major product of the above reactions is :

Number of electrophillic centres in the given compound is ______.

Which of the following conditions or reaction sequence will NOT give acetophenone as the major product ?

Which of the following ketone will NOT give enamine on treatment with secondary amines? [where t-Bu is $\mathrm{-C(CH_3)_3}$]

Consider the above reaction sequence and identify the product B.

Which will have the highest enol content ?

The final product 'A' in the following reaction sequence
$$\mathrm{CH_3CH_2\text{-}\overset{\displaystyle O}{\overset{\|}{C}}\text{-}CH_3\xrightarrow{HCN}?\xrightarrow[\text{Heat}]{95\%\ H_2SO_4}A}$$
is

Isobutyraldehyde on reaction with formaldehyde and $\mathrm{K_2CO_3}$ gives compound 'A'. Compound 'A' reacts with KCN and yields compound 'B', which on hydrolysis gives a stable compound 'C'. The compound 'C' is

In the given reaction,

the number of sp$^2$ hybridised carbon(s) in compound 'X' is ______.

Which reactant will give the following alcohol on reaction with one mole of phenyl magnesium bromide (PhMgBr) followed by acidic hydrolysis ?

$$\mathrm{Ph{-}C(Ph)(CH_3){-}OH}$$

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 :