How is m-Bromotoluene prepared?

1.	Bromination of toluene
2.	Friedel Craft’s reaction of bromobenzene with CH3Cl
3.	Bromination of nitrobenzene and subsequent replacement of –NO2 group with an ethyl group
4.	Bromination of Aceto–p–toluidine followed by hydrolysis and deamination

Most reactive compound towards ${\mathrm{S}}_{{\mathrm{N}}^1}$ is :

${\mathrm{Me}}_2\mathrm{C}=\mathrm{CH}-{\mathrm{CH}}_2-{\mathrm{CH}}_2-\mathrm{Cl}\underset{{\mathrm{CaCO}}_3}{\overset{{\mathrm{H}}_2\mathrm{O}}{\to }}\left(\mathrm{X}\right)$; Major product of the reaction is :

1.
2.
3.
4.

What is the major product obtained in the following reaction ?

Principal organic product of the reaction will be :

Anisole $\underset{\mathrm{reflux}}{\overset{\mathrm{excess}<mspace\; width="1em"></mspace>\mathrm{HI}}{\to }}Product$

Among the given halides, which one will give same product in SN1 and SN2 reactions 

(a) (III) only

(b) (I) & (II)

(c) (III) & (IV)

(d) (I),(III) & (IV)

$\underset{\mathrm{dimethoxy}<mspace\; width="1em"></mspace>\mathrm{ethane}}{\overset{{\mathrm{NaNH}}_2}{\to }}\left(A\right)$; Product (A) is :

(a) 

(b) 

(c) 

(d) None of these

Which of the following is true about given graphs A and B?

1. $\mathrm{A}\to {\mathrm{S}}_{{\mathrm{N}}^1}<mspace\; width="1em"></mspace>,<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\mathrm{B}\to {\mathrm{S}}_{{\mathrm{N}}^2}$

2. $\mathrm{A}\to {\mathrm{S}}_{{\mathrm{N}}^2}<mspace\; width="1em"></mspace>,<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\mathrm{B}\to {\mathrm{S}}_{{\mathrm{N}}^1}$

3. $\mathrm{A}<mspace\; width="1em"></mspace>\&<mspace\; width="1em"></mspace>\mathrm{B}\to {\mathrm{E}}_1$

4. $\mathrm{A}<mspace\; width="1em"></mspace>\&<mspace\; width="1em"></mspace>\mathrm{B}\to {\mathrm{E}}_2$

In the given reaction, the product [P] is ;

(a) 

(b)

(c)

(d)