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

Which of the following is maximum reactive for decarboxylation :-

1.  

2.  

3.  

4.  

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. ${\mathrm{CH}}_4$

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.

Which substance when boiled with NaOH will evolve ${\mathrm{NH}}_3$?

(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

Select the structure of chromium complex formed. When the toluene reacts with chromyl chloride to give benzaldehyde on hydrolysis :

1. 

2. 

3. 

4. 

Identify product 'B' in the given reaction:

1.		2.
3.		4.

HCN not produce a chiral compound with:

1.		2.
3.		4.