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

1.	C + F2 + Cl2  →
2.	CH3Cl + F2  →
3.	\(CCl_4 + HF \ \xrightarrow[]{SbCl_5} \)
4.	CCl4 + F2  →

\(HC\equiv CNa \ + \ Cl-CH_{2}-CH_{2}-CH_{2}-I \ \rightarrow \ (A) \)
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:
\(CH_{3}CH_{2}CH_{2}Br \ \xrightarrow[]{\textbf{KOH(alc.)}} \)
\(\ (A) \ \xrightarrow[]{\textbf{HBr}} \ (B) \ \xrightarrow[]{\textbf{KOH(aq}} \ (C)\)

The correct sequence of the dipole moment of given alkyl halides is :

1. CH₃F > CH₃Cl > CH₃Br > CH₃I
2. CH₃F < CH₃Cl < CH₃Br < CH₃I
3. CH₃Cl > CH₃F > CH₃Br > CH₃I
4. CH₃Cl > CH₃Br > CH₃F > CH₃I

Select the correct order of boiling points of the given alkyl halides

i. n-Butyl chloride

ii. iso-Butyl chloride

iii. Tertiary butyl chloride

iv. Secondary butyl chloride

1. i > ii > iii > iv

2. i > iii > ii > iv

3. i > ii > iv > iii

4. i > iv > ii > iii

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

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

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

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

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

1. Finkelstein reaction.

2. Sandmeyer's reaction.

3. Gattermann reaction.

4. Swart's reaction.

An $S_{N}1$ reaction at an asymmetric carbon of a compound always gives

1. An enantiomer of the substrate

2. A product with opposite optical rotation

3. A mixture of diastereomers

4. A maximum racemized product

The most reactive compound for S_N2 reaction among the following is: 

1.		2.
3.		4.