Benzene on reaction with a mixture of HNO₃ and H₂SO₄ followed by reaction of Cl₂/FeCl₃ gives:

1. 3-chloro -1 -nitrobenzene

2. 2-chloro -1 -nitrobenzene

3. 4-chloro -1 -nitrobenzene

4. a mixture of 2-chloro and 4-chloro -1 -nitrobenzene

A yellow precipitate is obtained when aqueous ${\mathrm{AgNO}}_3$ is added to a solution of the compound:

1. ${\mathrm{CCl}}_3\mathrm{CHO}$

2. ${\mathrm{CHI}}_3$

3. ${\mathrm{CHCl}}_3$ 

4. ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2\mathrm{Cl}$

In the following sequences of reactions;

${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{I}\stackrel{\mathrm{KOH}(\mathrm{alc}.)}{\to }$(A)$\stackrel{{\mathrm{Br}}_2}{\to }$(B)$\stackrel{{\mathrm{NaNH}}_2/{\mathrm{NH}}_3}{\to }$(C)

the end product (C) is:

1. alkene                                 

2. alkanol

3. alkyne                                   

4. alkyl amine

Which is gem dihalide?

1. ${\mathrm{CH}}_3.{\mathrm{CHBr}}_2$                           
2. ${\mathrm{CH}}_2\mathrm{Br}.{\mathrm{CH}}_2\mathrm{Br}$ 
3. ${\mathrm{CH}}_3.\mathrm{CHBr}.{\mathrm{CH}}_2\mathrm{Br}$                   
4. None of the above

Friedel-Craft's reaction of bromobenzene with methyl iodide gives:

1. o-bromotoluene                     

2. p-bromotoluene

3. o-and p-bromotoluenes             

4. m-bromotoluene

Benzyl chloride (C₆H₅CH₂Cl) can be prepared from toluene by chlorination with:

1. SO₂Cl₂

2. SOCl

3. S₂Cl₂

4. NaOCl₂

When vinyl chloride is passed through alcoholic KOH solution:

1. it dissolves                                 

2. it forms vinyl alcohol

3. it forms acetylene                     

4. it has no action

In the following reaction sequence, what is the final product, compound 'Z'?

${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{Br} \stackrel{\mathrm{aqueous} \mathrm{NaOH}}{\to }\left(X\right) \underset{\mathrm{Heat}}{\overset{{\mathrm{Al}}_2{\mathrm{O}}_3}{\to }} \left(Y\right) \stackrel{\mathrm{HOCl}}{\to }\left(Z\right)$

1. mixture of 

2. 

3. 

4.

The reaction, RCl +NaI $\stackrel{\mathrm{Acetone}}{\to }\mathrm{R}-\mathrm{I}$ + NaCl is known as:

1. Wurtz reaction                     

 2. Fittig reaction                       

3. Frankland's reaction             

 4. Finkelstein's reaction                               

Elimination of HBr from 2-bromobutane results in the formation of:

1. equimolar mixture of 1- and 2-butene

2. predominantly 2-butene

3. predominantly 1-butene

4. predominantly 2-butyne