The major product formed in the dehydrohalogenation reaction of 2-Bromo pentane is Pent-2-ene. This product formation is based on:
1. Hofmann Rule
2. Huckel's Rule
3. Saytzeff's Rule
4. Hund's Rule

In the following pairs of halogen compounds, the pair that would undergo S_N2 reaction faster:

1.
2.
3.
4.

Find the correct sequence of the bond enthalpy of the "C-X" bond among the following:

1. CH₃-F < CH₃-Cl > CH₃-Br > CH₃-I

2. CH₃-Cl > CH₃-F > CH₃-Br > CH₃-I

3. CH₃-F < CH₃-Cl < CH₃-Br < CH₃-I

4. CH₃-F > CH₃-Cl > CH₃-Br > CH₃-I

Which of the following is a correct statement for C₂H₅Br?
1. It reacts with metallic Na to give ethane.
2. It gives nitroethane on heating with an aqueous solution of AgNO₂
3. It gives C₂H₅OH on boiling with alcoholic potash.
4. It forms diethylthioether on heating with alcoholic KSH

A major product is obtained by the dehydrohalogenation of 2-Chloro-2-methyl butane with sodium ethoxide in ethanol. The product's IUPAC name is:

1. 2-Methyl-2-butene

2. 2-Methyl-1-butene

3. 1-Methyl-2-butene

4. Methyl butene

The correct IUPAC name for the following structure is:
 
1. 2-Chloro-3-methylbutane

2. 3-Chloro-2-methylbutane

3. 2-Chloro-1-methylbutane

4. 3-Chloro-1-methylbutane

Primary alkyl halide C₄H₉Br(A) reacted with alcoholic KOH to give compound (B). Compound (B) is reacted with HBr to give (C), and it was found that C is an isomer of (A).
(A) with sodium metal, gives compound (D), C₈H₁₈ 
which is different from the compound formed when n-butyl bromide is reacted with sodium.
Compound (A) is :

1. 2-Methylpropene

2. Isobutyl bromide

3. 2,5-Dimethylhexane

4. 2-Bromo-2-methylpropane

p-Dichlorobenzene has a higher melting point than those of o- and m-isomers because :

Identify which of the following compounds readily undergo E2​ reactions.

1.	(CH3)2C∙CH2CH3                  |                      Br
2.	CH3(CH2)2CH2Cl
3.	CH3(CH2)2CH2I
4.