What will be the name of the given reaction?

1. Gatterman Koch reaction

2. Etard reaction

3. Gattermann reaction

4. Rosenmund reaction

${\mathrm{CH}}_3 - \mathrm{C} = {\mathrm{CH}}_2 \stackrel{\mathrm{HBr}}{\to }$
$|$
$\mathrm{Br}$

which of the following statements is correct for this reaction?

(1) It is an electrophilic addition

(2) It follows Markovnikov rule

(3) First ${\mathrm{H}}^{\oplus }$ attacks on vinyl bromide followed by ${\mathrm{Br}}^{⊝}$ and the product is ${\mathrm{CH}}_3–{\mathrm{CBr}}_2–{\mathrm{CH}}_3$

(4) All of these

Which of the following have maximum B.P

1.     2.  

3.   4.  

Which of the following reaction is an example of free radical substitution reaction :

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 ${\mathrm{H}}_2\mathrm{O}$?

$1. {\mathrm{Al}}_4{\mathrm{C}}_3 + {\mathrm{H}}_2\mathrm{O} \to \mathrm{CH}\equiv \mathrm{CH}$
$2. {\mathrm{CaC}}_2 + {\mathrm{H}}_2\mathrm{O} \to \mathrm{CH}\equiv \mathrm{CH}$
$3. {\mathrm{Mg}}_2{\mathrm{C}}_3 + {\mathrm{H}}_2\mathrm{O} \to {\mathrm{CH}}_3\mathrm{C}\equiv \mathrm{CH}$
$4. {\mathrm{Be}}_2\mathrm{C} + {\mathrm{H}}_2\mathrm{O} \to {\mathrm{CH}}_4$

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.