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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. ${\mathrm{CH}}_3\mathrm{I}$

Which of the following chloro derivatives of benzene would undergo hydrolysis most readily with aqueous KOH to give the corresponding hydroxy derivative 

The correct order of solvolysis in the following alkyl halide

Identify the set of reagent and reaction conditions 'X' and 'Y' in the following set of transformations,
${\mathrm{CH}}_3-{\mathrm{CH}}_2-{\mathrm{CH}}_2\mathrm{Br}\stackrel{\mathrm{x}}{\to }\mathrm{Product}\stackrel{\mathrm{y}}{\to }{\mathrm{CH}}_3-\underset{\mathrm{Br}}{\underset{|}{\mathrm{CH}}}-{\mathrm{CH}}_3$

Acidity of Fluoroform (I), bromoform (II), Iodoform (III) and chloroform (IV) in decreasing order is as follows:
1. I>II>III>IV
2. IV>III>II>I
3. IV>I>II>III
4. IV>I>III>I

Para-substituted benzyl bromide undergoes SN¹ reaction with nucleophiles:

Arrange given four compounds in their decreasing order of reactivity for the above reaction:

1. II > I > III > IV
2. I > IV > III > II
3. I > IV > II > III
4. II > III > IV > I

$\stackrel{∆}{\to }\stackrel{2NBS}{\to }B\stackrel{Alc. KOH}{\to }C$
The final product C in the above sequence of reaction is
1. Benzene
2. Tetralin
3. Decalin
4. Napthalene

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

Arrange the following halides in the decreasing order of 
${\mathrm{SN}}^1$ reactivity : ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{Cl}$
          (I)
${\mathrm{CH}}_2=\mathrm{CHCH}\left(\mathrm{Cl}\right){\mathrm{CH}}_3, {\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CH}\left(\mathrm{Cl}\right){\mathrm{CH}}_3$
1. I>II>III
2. II>I>III
3. II>III>I
4. III>II>I
 

In ${\mathrm{S}}_{{\mathrm{N}}_1}$ (substitution, nucleophilic unimolecular) reaction the racemization take place. It is due to 
1. Inversion of configuration
2. Retention of configuration
3. Conversion of configuration
4. Both (1) and (2) 

Replacement of 'Cl' of chlorobenzene to give phenol required drastic conditions but chlorine of 2,4- dinitrochloro benzene is readily replaced because
1. ${\mathrm{NO}}_2$ makes the ring electrons rich at ortho and para position
2. ${\mathrm{NO}}_2$ withdraws electrons from meta position
3. ${\mathrm{NO}}_2$ donated electrons at m-position
4. ${\mathrm{NO}}_2$ withdraws electrons from ortho and para positions 

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
 

Which haloarenes is most reactive towards electrophilic substitution reaction?

+ ${\mathrm{Br}}_2\stackrel{\mathrm{hv}}{\to }$ Mixture of products
Among the following which product will be formed in minimum amount?

Arrange the following in the order of C-Br bond strength in a polar solvent

1. I<II<III<IV
2. III<IV<I<II
3. IV<III<II<I
4. II<I<III<IV

$\underset{\mathrm{peroxide}}{\overset{\mathrm{HCl}}{\to }}\mathrm{M}$, Mis

$\stackrel{\mathrm{Luca}\text{'}\mathrm{s} \mathrm{Reagent}}{\to }\mathrm{A} \left(\mathrm{major}\right)$
The compound 'A' is

$\underset{\left(Predominant\right)}{\left(\mathrm{B}\right)}\stackrel{PB{r}_3}{\leftarrow }$
$\stackrel{\mathrm{HBr}}{\to }\underset{\left(\mathrm{Predominant}\right)}{\left(\mathrm{A}\right)}$
(A) and (B) are respectively :

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)