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

What is the major product of the following reaction?

1.  2.  

3.  4.  

Which of the following is the most suitable major product?

1.       2.  

3.           4.