For $S_{N}1$ reaction, the preferred solvent will be:

1.	Water	2.	Benzene
3.	Ether	4.	Toluene

The products (A) and (B) in the below reactions are, respectively:

$1.$ ${\mathrm{POCl}}_3$ $\mathrm{and}$ ${\mathrm{H}}_3{\mathrm{PO}}_3$

$2.$ ${\mathrm{PCl}}_3$ $\mathrm{and}$ ${\mathrm{H}}_3{\mathrm{PO}}_3$

$3.$ ${\mathrm{H}}_3{\mathrm{PO}}_4$ $\mathrm{and}$ ${\mathrm{POCl}}_3$

$4.$ ${\mathrm{H}}_3{\mathrm{PO}}_3$ $\mathrm{and}$ ${\mathrm{POCl}}_3$

${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Cl}+\mathrm{AgF}\to C_2{\mathrm{H}}_5\mathrm{F}+\mathrm{AgCl}$

The above reaction is known as:

1. Finkelstein reaction

2. Swarts reaction

3. Hunsdiecker reaction

4. HVZ reaction

The set of reagents used to produce freon (CCl₂F₂) are:

\(HC\equiv CNa \ + \ Cl-CH_{2}-CH_{2}-CH_{2}-I \ \rightarrow \ (A) \)
The major product (A) in the above reaction is :

1. H-C$\equiv$C-CH₂-CH₂-CH₂-I

2. CH₂=CH-CH₂-I

3. H-C$\equiv$C-CH₂-CH₂-CH₂-Cl

4. CH₂=CH-CH₂-Cl

The product (C) in the below-mentioned reaction is:
\(CH_{3}CH_{2}CH_{2}Br \ \xrightarrow[]{\textbf{KOH(alc.)}} \)
\(\ (A) \ \xrightarrow[]{\textbf{HBr}} \ (B) \ \xrightarrow[]{\textbf{KOH(aq}} \ (C)\)

When vinyl chloride is passed through an alcoholic KOH solution, which of the following is correct?

1. It gets dissolved.                              

2. It forms vinyl alcohol

3. It forms acetylene                     

4. It has no action

The C-Cl bond of chlorobenzene in comparison to the C-Cl bond in methyl chloride is:

1. Shorter and weaker

2. Shorter and stronger

3. Longer and weaker

4. Longer and stronger

An alkyl halide that can be used as a methylating agent is

Which of the following compounds has the lowest boiling point?

1. Pentyl chloride

2. tertiary-Butyl chloride

3. Isobutyl chloride

4. n-Butyl chloride