Which of the following compounds produces a pink colour when combined with Schiff's reagent?

1. CH₃CHO 

2. CH₃CH₂COOH

3. C₃H₅COOH 

4. C₆H₅COC₆H₅

Major product maybe

1.       2.  

3.       4.  

Given the reaction:
 + 

Which of the following statements is correct?

1. (b) has a lesser stability

2. (b) is more volatile than (a)

3. (a) is more volatile than (b)

4. (a) forms higher yields at a lower temperature

1.       2.  

3.       4.  

Major product 'A' and 'B' are respectively

1.       

2. 

3.         

4. 

The reagents that produce compound A mentioned below in a Diels-Aider reaction are

1.       2.  

3.       4.  

The following reaction gives

1.       2.  

3.       4.  

The reactant  'A' in the above reaction is-

1.       2.  

3.       4.  

Which of the following will undergo Cannizzaro reaction?

1.       2.  

3.          4.  

Which one of the following statements is true for the major product (A) formed in the above reaction?

1.  'A' gives positive bromine water test.

2.  'A' absorbs two moles of ${\mathrm{H}}_2$ per mole Of compound in hydrogenation.

3.  'A' gives positive DNP test.

4.   All of these