What will be the name of the given reaction?

1. Gatterman Koch reaction

2. Etard reaction

3. Gattermann reaction

4. Rosenmund reaction

Which of the following have maximum B.P

1.     2.  

3.   4.  

The major product of following reaction will be:-$\underset{}{\overset{}{}}$

1. 

2. 

3. 

4. 

Consider the following reaction:-

A and B are isomeric compounds. Additionally, A is a monochloro derivative. These two can be differentiated easily by using:

1. AgN$O_3$(aq)

2. ${\mathrm{Br}}_2/{\mathrm{FeCl}}_3$

3. Conc.HN${\mathrm{O}}_3$/$\mathrm{Conc}.{\mathrm{H}}_2{\mathrm{SO}}_4$

4. NaCl(aq)

Which is not obtained when metal carbides react with ${\mathrm{H}}_2\mathrm{O}$?

$1.<mspace\; width="1em"></mspace>{\mathrm{Al}}_4{\mathrm{C}}_3<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>{\mathrm{H}}_2\mathrm{O}<mspace\; width="1em"></mspace>\to <mspace\; width="1em"></mspace>\mathrm{CH}\equiv \mathrm{CH}$
$2.<mspace\; width="1em"></mspace>{\mathrm{CaC}}_2<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>{\mathrm{H}}_2\mathrm{O}<mspace\; width="1em"></mspace>\to <mspace\; width="1em"></mspace>\mathrm{CH}\equiv \mathrm{CH}$
$3.<mspace\; width="1em"></mspace>{\mathrm{Mg}}_2{\mathrm{C}}_3<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>{\mathrm{H}}_2\mathrm{O}<mspace\; width="1em"></mspace>\to <mspace\; width="1em"></mspace>{\mathrm{CH}}_3\mathrm{C}\equiv \mathrm{CH}$
$4.<mspace\; width="1em"></mspace>{\mathrm{Be}}_2\mathrm{C}<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>{\mathrm{H}}_2\mathrm{O}<mspace\; width="1em"></mspace>\to <mspace\; width="1em"></mspace>{\mathrm{CH}}_4$

o-xylene on reductive ozonolysis gives

1.  

2.  

3.  

4.  

1.  $\mathrm{Ph} - \mathrm{CH}2 - \mathrm{CH} = \mathrm{CH} - {\mathrm{CH}}_2\mathrm{Br}$

2.  $\mathrm{PH} - \stackrel{\mathrm{Br}}{\stackrel{|}{\mathrm{CH}}} - \mathrm{CH} = \mathrm{CH} - {\mathrm{CH}}_3$

3.  $\mathrm{Ph} - {\mathrm{CH}}_2 - {\mathrm{CH}}_2 - \underset{\mathrm{Br}}{\underset{|}{\mathrm{CH}}} - {\mathrm{CH}}_3$

4.  $\mathrm{Ph} - {\mathrm{CH}}_2 - \underset{\mathrm{Br}}{\underset{|}{\mathrm{CH}}} - {\mathrm{CH}}_2 - {\mathrm{CH}}_3$

A and B respectively are:-

1.  

2.  

3.  

4.  

Which of the following reaction does not give ethane as a product?

1.  ${\mathrm{CH}}_3<mspace\; width="1em"></mspace>-<mspace\; width="1em"></mspace>\mathrm{Cl}\underset{\mathrm{dry}<mspace\; width="1em"></mspace>\mathrm{either}}{\overset{\mathrm{Na}}{\to }}$

2.  ${\mathrm{CH}}_3-\mathrm{COOH}\underset{\mathrm{lime}}{\overset{\mathrm{Soda}}{\to }}$

3.  ${\mathrm{CH}}_3-\mathrm{COOK}\stackrel{\mathrm{electrolysis}}{\to }$

4.  ${\mathrm{CH}}_3-{\mathrm{CH}}_2-\mathrm{O}-{\mathrm{CH}}_2-{\mathrm{CH}}_3\underset{\mathrm{Hl}}{\overset{\mathrm{Red}<mspace\; width="1em"></mspace>\mathrm{P}}{\to }}$

The main product A and B in the above mentioned reaction are respectively- 

1. 

2. 

3. 

4.