Assertion (A):	The reactivity of alkyl halide for nucleophilic substitution reaction follows the order Rl > RBr > RCl
Reason (R):	Leaving ability of halide ions follows the order: I- > Br- > Cl-

 

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.

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

1.		2.
3.		4.

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

1. Finkelstein reaction.

2. Sandmeyer's reaction.

3. Gattermann reaction.

4. Swart's reaction.

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

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

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

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

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

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 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

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:
\(CH_{3}CH_{2}CH_{2}Br \ \xrightarrow[]{\textbf{KOH(alc.)}} \)
\(\ (A) \ \xrightarrow[]{\textbf{HBr}} \ (B) \ \xrightarrow[]{\textbf{KOH(aq}} \ (C)\)