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.  

The product in the below mentioned reaction is 

1.		2.
3.		4.

$(\mathrm{HCOO}{)}_2\mathrm{Ca}+{\left({\mathrm{CH}}_3\mathrm{COO}\right)}_2\mathrm{Ca}-\stackrel{\mathrm{Heat}}{\to }\mathrm{A}+\mathrm{B}+\mathrm{C}$

In this reaction

1.  $\mathrm{A}=\mathrm{B}=\mathrm{C}=\mathrm{HCHO}$

2.  $\mathrm{A}=\mathrm{B}=\mathrm{C}={\mathrm{CH}}_3\mathrm{CHO}$

3.  $$\begin{gathered} \mathrm{A}=\mathrm{HCHO}, \mathrm{B}={\mathrm{CH}}_3\mathrm{CHO} \mathrm{and} \mathrm{C}={\mathrm{CH}}_3-\stackrel{\mathrm{O} \\ \left|\right|}{\mathrm{C}}-{\mathrm{CH}}_3 \end{gathered}$$

4.  $$\begin{gathered} \mathrm{A}=\mathrm{B}={\mathrm{CH}}_3\mathrm{CHO} \mathrm{and} \mathrm{C}={\mathrm{CH}}_3-\stackrel{\mathrm{O} \\ \left|\right|}{\mathrm{C}}-{\mathrm{CH}}_3 \end{gathered}$$

Which of the following compound will give a positive iodoform test?

1.        2.  

3.        4.  All of these

$\stackrel{\mathrm{Conc}. {\mathrm{H}}_2{\mathrm{SO}}_4}{\to } \left(\mathrm{B}\right) \left(\mathrm{major} \mathrm{product}\right). \mathrm{Product} \left(\mathrm{B}\right) \mathrm{is}$

1.             2.  

3.          4.  

The product of acetone with ${\mathrm{PCl}}_5$ is

1.  ${\mathrm{ClCH}}_2{\mathrm{COCH}}_2\mathrm{Cl}$

2.  ${\mathrm{CH}}_3{\mathrm{COCH}}_2\mathrm{Cl}$

3.  ${\mathrm{CH}}_3{\mathrm{COCHCl}}_2$

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

Compound (A) in the given reaction is:

1.		2.
3.		4.

What is the major product of the following reaction sequence?

1.                            

2.  

3.         

4.