HCl with an alkene X reacts in accordance with Markovnikov’s rule to give 1-Chloro-1-methylcyclohexane. The structure of alkene (X) is:

1.		2.
3.	(1) and (2)	4.

2,3-dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?

1. ${\left({\mathrm{CH}}_3\right)}_2\mathrm{CH}-\underset{{\mathrm{CH}}_3}{\underset{|}{\mathrm{CH}}}-\mathrm{CH}={\mathrm{CH}}_2$

2. ${\left({\mathrm{CH}}_3\right)}_{3}C-CH=C{H}_2$

3. ${\left({\mathrm{CH}}_3\right)}_{2}C=CH-C{H}_2-C{H}_3$

4. ${\left({\mathrm{CH}}_3\right)}_{2}CH-C{H}_2-CH=C{H}_2$

The oxidation of benzene by V₂O₅ in the presence of air produces?

1. Benzoic anhydride

2. Maleic anhydride

3. Benzoic acid

4. Benzaldehyde

The reaction of C₆H₅CH =CHCH₃ with HBr produces:

1.	\(C_{6} H_{5} \underset{Br}{\underset{\left|\right.}{CH}} CH_{2} CH_{3} \)
2.	\(C_{6} H_{5} CH_{2} \underset{Br}{\underset{\left|\right.}{CH}} CH_{3} \)
3.	\(C_{6} H_{5} CH_{2} CH_{2} CH_{2} Br \)
4.

When subjected to ozonolysis, which compound results in the formation of the given molecule?


 

1.		2.
3.		4.

Given compounds are as follows:

(I)		(II)
(III)

The enthalpy of hydrogenation of these compounds will be in the order as-

The product(s) that are formed when the given compound is treated with Br₂ in the presence of FeBr₃ are:
 

1.		2.	and
3.	and	4.	and

Which of the following organic compounds has same hybridization as its combustion product –(CO₂)?

1. Ethane

2. Ethyne

3. Ethene

4. Ethanol

 A compound that cannot give Friedel-Craft’s reaction is: