On monochlorination of 2-methylbutane, the total number of chiral compounds is 

1. 2

2. 4

3. 6

4. 8

Among the following bromides given below, the order of their reactivity in the S_N1 reaction is 

1. III > II > I

2. II > III > I

3. III > I > II

4. II > I > III

Which of the following will have the maximum dipole moment?

1. ${\mathrm{CH}}_3\mathrm{F}$

2. ${\mathrm{CH}}_3\mathrm{Cl}$

3. ${\mathrm{CH}}_3\mathrm{Br}$

4. ${\mathrm{CH}}_3\mathrm{I}$

The compound 

${\mathrm{C}}_7{\mathrm{H}}_8\stackrel{3{\mathrm{Cl}}_2/\mathrm{hv}}{\to }\mathrm{A}\stackrel{{\mathrm{Br}}_2/\mathrm{Fe}}{\to }\mathrm{B}\stackrel{\mathrm{Zn}/\mathrm{HCl}}{\to }\mathrm{C}$

The compound C is

1. o-Bromotoulene

2. m-Bromotoulene

3. p-Bromotoulene

4. 3-Bromo-2,4,6-trichlorotoulene

The major product obtained when ${\mathrm{Br}}_2/\mathrm{Fe}$ is reacted with 

Among the following bromides given below, the order of their reactivity in the ${\mathrm{S}}_{\mathrm{N}}1$ reaction is 

1. III>II>I

2. II>III>I

3. III>I>II

4. II>I>III

Among the following which product will be formed in minimum amount?

1.		2.
3.		4.

P-chloro toulene is reacted with liquid ${\mathrm{KNH}}_2$ then the product formed is

1. o-toulidine

2. m-toluidine

3. p-toluidine

4. Both (1) & (3)

In S_N2 substitution reaction of the type

$R - \mathrm{Br} + {\mathrm{Cl}}^{-} \stackrel{\mathrm{DMF}}{\to }R - \mathrm{Cl} + {\mathrm{Br}}^{-},$

Which one of the following has the highest relative rate ?

(1) ${\mathrm{CH}}_3-{\mathrm{CH}}_2-{\mathrm{CH}}_2\mathrm{Br}$

(2) ${\mathrm{CH}}_3-\underset{\underset{{\mathrm{CH}}_3}{|}}{\mathrm{C}}\mathrm{H}-{\mathrm{CH}}_2\mathrm{Br}$

(3) ${\mathrm{CH}}_3-\underset{\underset{{\mathrm{CH}}_3}{|}}{\overset{\underset{|}{{\mathrm{CH}}_3}}{\mathrm{C}}}-{\mathrm{CH}}_2\mathrm{Br}$

(4) ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Br}$

Which one is the most reactive toward S_N1 reaction?

1. C₆H₅CH(C₆H₅)Br

2. C₆H₅CH(CH₃)Br

3. C₆H₅C(CH₃)(C₆H₅)Br

4. C₆H₅CH₂Br