Which of the following is most reactive for decarboxylation?

 

1.
2.
3.
4.

The reaction between benzaldehyde and acetophenone in the presence of dilute NaOH is known as:

1. Cannizzaro's reaction

2. Cross Cannizzaro's reaction

3. Cross aldol condensation

4. Aldol condensation

The product 'X' in the below mentioned reaction is:

1.		2.
3.		4.

Urea reacts with hydrazine to form:

1. Nitrogen

2. Phenyl hydrazine

3. Semicarbazide

4. Urethane 

The reagent A in the below mentioned reaction is:

1. (i) LiAlH₄; (ii) H₂O

2. H₂/Ni

3. (i)  NaBH₄; (ii) H₂O

4. Zn-Hg/HCl

The product 'B' in the below mentioned reaction is:
\(CH_3 C \equiv N + H_2O \xrightarrow[\text{Excess}]{H^+}\ A\ \xrightarrow[\Delta]{NaOH\ +\ CaO}\ B\)

1. ${\mathrm{CH}}_3-\stackrel{\mathrm{O}}{\stackrel{\left|\right|}{\mathrm{C}}}-{\mathrm{NH}}_2$

2. ${\mathrm{CH}}_3-\stackrel{\stackrel{\mathrm{O}}{\left|\right|}}{\mathrm{C}}-\mathrm{OH}$

3. ${\mathrm{CH}}_3-\stackrel{\stackrel{\mathrm{O}}{\left|\right|}}{\mathrm{C}}-\mathrm{ONa}$

4. ${\mathrm{CH}}_4$

Which of the following substances releases NH₃ gas upon boiling with NaOH?

1. Ethylamine

2. Aniline

3. Acetamide

4. Acetoxime

Which of the following enzymes can hydrolyse urea into CO₂ and NH₃: 

1. Amylase

2. Urease

3. Lipase

4. Zymase

Identify product 'B' in the given reaction:

1.		2.
3.		4.

HCN not produce a chiral compound with:

1.		2.
3.		4.