Select the correct option based on statements below:

Assertion (A):	Benzaldehyde undergoes a condensation reaction when heated in the presence of KCN.
Reason (R):	Benzaldehyde has no α- H atom.

  

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	Both (A) and (R) are false.

Select the correct option based on statements below:

Consider the given two statements:

Select the correct option based on statements below:

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

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 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.  

Select the correct option based on the statements below:

Select the correct option based on statements below: