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 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. 

Above mentioned single molecule is obtained from ozonolysis. The starting cyclic compound is:

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-

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

1. Ethane

2. Ethyne

3. Ethene

4. Ethanol

The reagent that can be used to distinguish between 1-butyne and 2-butyne is:
1.  HCl
2.  $O_2$
3.  $B{r}_2$
4.  $NaN{H}_2$

Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by:
1. oxidation
2. cracking
3. distillation under reduced pressure
4. hydrolysis