$\mathrm{Cl}-{\mathrm{CH}}_2-\underset{{\mathrm{CH}}_3}{\overset{{\mathrm{CH}}_3}{\underset{\left|}{\overset{\right|}{\mathrm{C}}}}}-{\mathrm{CH}}_2-{\mathrm{CH}}_2-\mathrm{Cl}+{\mathrm{I}}^{-}<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>---><mspace\; width="1em"></mspace>\mathrm{Product}$
The major product of the above reaction is:-

1.$\mathrm{I}-{\mathrm{CH}}_2-\underset{{\mathrm{CH}}_3}{\overset{{\mathrm{CH}}_3}{\underset{\left|}{\overset{\right|}{\mathrm{C}}}}}-{\mathrm{CH}}_2-{\mathrm{CH}}_2-\mathrm{Cl}$

2. $\mathrm{Cl}-{\mathrm{CH}}_2-\underset{{\mathrm{CH}}_3}{\overset{{\mathrm{CH}}_3}{\underset{\left|}{\overset{\right|}{\mathrm{C}}}}}-{\mathrm{CH}}_2-{\mathrm{CH}}_2-\mathrm{I}$

3. ${\mathrm{H}}_2\mathrm{C}=\stackrel{{\mathrm{CH}}_3}{\stackrel{|}{\mathrm{C}}}-{\mathrm{CH}}_2-{\mathrm{CH}}_2=\mathrm{Cl}$

4. $\mathrm{Cl}-{\mathrm{CH}}_2-\underset{{\mathrm{CH}}_3}{\overset{{\mathrm{CH}}_3}{\underset{\left|}{\overset{\right|}{\mathrm{C}}}}}-{\mathrm{CH}}_2={\mathrm{CH}}_2$

+ NaI (1 mole) $\stackrel{\mathrm{Acetone}}{\to }$(A); Major product of this reaction is:

1. 

2. 

3. 

4. 

Which of the following alkyl halide undergo rearrangement in S_N1 reaction?

1. $\begin{array}{ccccccc}{\mathrm{CH}}_3& -& \underset{{\mathrm{CH}}_3}{\underset{|}{\stackrel{{\mathrm{CH}}_3}{\stackrel{|}{\mathrm{C}}}}}& -& \underset{\mathrm{I}}{\underset{|}{\mathrm{CH}}}& -& {\mathrm{CH}}_3\end{array}$

2.  

3.  

4. All of these

Which compound undergoes nucleophilic substitution with NaCN at the fastest rate ?

1.  

2.  

3.  

4.  

Rank the following in order of decreasing rate of solvolysis with aqueous ethanol (fastest $\to$slowest)
 

a.		b.
c.

1. b>a>c

2. a>b>c

3. b>c>a

4. a>c>b


   

Which of the following reactant will not favour S_N2 nucleophilic substitution reaction?

1. 

2. Ph-Br

3. ${\mathrm{CH}}_3-\underset{{\mathrm{CH}}_3}{\overset{{\mathrm{CH}}_3}{\underset{\left|}{\overset{\right|}{\mathrm{C}}}}}-{\mathrm{CH}}_2-\mathrm{Br}$

4. All of the above

$\stackrel{\mathrm{NBS}}{\to }$(A)$\stackrel{{\mathrm{CH}}_3\mathrm{SNa}}{\to }$(B), Product (B) is:

1.

2.  

3. 

4. None of these

What is the major product of the following reaction?

${\mathrm{H}}_2\mathrm{C}=\mathrm{CH}-{\mathrm{CH}}_2-\mathrm{OH}<mspace\; width="1em"></mspace>\underset{\mathrm{excess}}{\overset{\mathrm{HBr}}{\to }}<mspace\; width="1em"></mspace>\mathrm{Product}$

1.  ${\mathrm{CH}}_3-\stackrel{\mathrm{Br}}{\stackrel{|}{\mathrm{CH}}}-{\mathrm{CH}}_2-\mathrm{Br}$

2.  ${\mathrm{H}}_2\mathrm{C}=\mathrm{CH}-{\mathrm{CH}}_2-\mathrm{Br}$

3.  ${\mathrm{CH}}_3-\stackrel{\mathrm{Br}}{\stackrel{|}{\mathrm{CH}}}-{\mathrm{CH}}_2-\mathrm{OH}$

4.  ${\mathrm{CH}}_3-\stackrel{OH}{\stackrel{|}{\mathrm{CH}}}-{\mathrm{CH}}_2-\mathrm{OH}$

S_N1 and S_N2 products are the same with (excluding stereoisomer):-

1.  
 2.  
3.  

4.