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

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

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

The correct reaction among the following is:

1.
2.
3.
4.

The product formed in the following reaction sequence is:
 

1.
2.	\(CH_3-CH=CH-CH_3 \)
3.	\(CH_3 -CH_2 -CH = CH_2 \)
4.	\(CH_3 -CH_2 -CH_2 -CH_2 -OH \)