Aldol condensation will not take place in

1. HCHO 

2. ${\mathrm{CH}}_3\mathrm{CHO}$

3. ${\mathrm{CH}}_3{\mathrm{COCH}}_3$

4. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CHO}$

In the below reaction, product 'P' is:

1.		2.
3.		4.

The -OH group of an alcohol or the -COOH group of a carboxylic acid can be replaced by -Cl using     

1. phosphorus pentachloride

2. hypochlorous acid

3. chlorine

4. hydrochloric acid

What compound results from the catalytic dehydrogenation of a primary alcohol?

1. Aldehyde 

2. Ketone 

3. Alkene

4. Acid 

HCHO and HCOOH are distinguished by treating with:

1. Tollens reagent

2. NaHCO₃

3. Fehling's Solution

4. Benedict Solution

Lacrymator or tear gas is:

1. C₆H₅COCl                               

2. C₆H₅OC₆H₅

3. C₆H₅COCH₂Cl                         

4. C₆H₅COCH₃

Trichloroacetaldehyde, CCl₃CHO reacts with chlorobenzene in the presence of sulphuric acid and produces                                                                         
 

1.
2.
3.
4.

1.  

2.  

3.  

4.  

The compound formed when malonic acid heated with urea, is                  

1. cinnamic acid

2. butyric acid

3. barbituric acid

4. crotonic acid

The compound which on reduction with ${\mathrm{LiAlH}}_4$ gives two diffrent alcohols:

1. ${\mathrm{CH}}_3{\mathrm{COOCH}}_3$                         

2.  ${\mathrm{CH}}_3{\mathrm{COOC}}_2{\mathrm{H}}_5$

3. ${\mathrm{CH}}_3{\mathrm{COCH}}_3$                           

4.  ${\mathrm{CH}}_3\mathrm{CHO}$

What ester produces a white crystalline acid when boiled with KOH, cooled, and acidified with conc. HCl?

1. Methyl acetate 

2. Ethyl acetate

3. Ethyl formate 

4. Ethyl benzoate