The correct structure of the product A formed in the reaction 
$\underset{\mathrm{Pd}/\mathrm{carbon}, \mathrm{ethanol}}{\overset{{\mathrm{H}}_2\left(\mathrm{gas},1 \mathrm{atmosphere}\right)}{\to }}A is$

1.  

2.  

3.  

4.  

 

Compound A, ${\mathrm{C}}_8{\mathrm{H}}_{10}\mathrm{O}$ is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with characteristic smell. 
A and Y are respectively

1.
2.
3.
4.

Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their

1. Formation of intramolecular H-bonding

2. Formation of carboxylate ion

3. More extensive association of carboxylic acid via van der waals force of attraction

4. Formation of intermolecular H-bonding

Consider the reactions: 
 
Identify A, X, Y and Z

1. A- Methoxymethane, X-Ethanol, Y-Ethanoic acid, Z-Semicarbazide.

2. A- Ethanal, X-Ethanol, Y-But-2-enal, Z-Semicarbazide.

3. A- Ethanol, X-Acetaldehyde, Y-Butanone, Z-Hydrazone.

4. A- Methoxymethane, X-Ethanoic acid, Y-Acetate, Z-Hydrazine.

Which of the following reactions is appropriate for converting acetamide to methanamine?

1. Hoffmann hypobromamide reaction

2. Stephens reaction

3. Gabriels phthalimide synthesis

4. Carbylamine reaction

$\underset{\left(1\right)}{\overset{\mathrm{HCl}}{\to }}\underset{\left(2\right)}{\overset{B{r}_2/Fe}{\to }}\underset{\left(3\right)}{\overset{H^{+}}{\to }}$

The major product is

1.
2.
3.
4.

CH₂=CH-CHO+HCN$\to$A(Major),

the compound 'A' is

1. CH₂=CH-CH-CH(OH)(CN)

2. CH₃-CH(CN)-CHO

3. CH₂(CN)-CH₂-CHO

4. CH₃-C(OH)(CN)-CH₃

The slowest step of Cannizarro's reaction is

1. Attack of nucleophilic

2. Hydride shift

3. Formation of anion

4. Transfer of proton

+Br₂ $\underset{∆}{\overset{{\mathrm{CCl}}_4}{\to }}$?

1.

2.

3.

4.