Alkanes Alkenes And Alkynes Chemical Properties

Predict the product C obtained in the following reaction of 1-butyne:

1.
2.
3.
4.

Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by:

1. Oxidation
2. Cracking
3. Distillation under reduced pressure
4. Hydrolysis

Given below is a reaction sequence: The compounds A and C are respectively:

1.
2.
3.
4.

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

In the given reaction

The product P is:

1.		2.
3.		4.

The compound that will react most readily with gaseous bromine has the formula:

1.		2.
3.		4.

What is the correct order of acidity among the following compounds?

1.
2.
3.
4.

Predict the correct intermediate and product in the following reaction: 



1.

2.
3.

4. ${\mathrm{}}_{}$

Hydrocarbon (A) reacts with bromine by substitution reaction to form an alkyl bromide B.
B undergoes the Wurtz reaction to give a gaseous hydrocarbon containing less than four carbon atoms.

The formula of (A) is:

1.	$\mathrm{CH}\equiv \mathrm{CH}$	2.	${\mathrm{CH}}_2={\mathrm{CH}}_2$
3.	${\mathrm{CH}}_3-{\mathrm{CH}}_3$	4.	${\mathrm{CH}}_4$

The compound ${\mathrm{C}}_7{\mathrm{H}}_8$ undergoes the following reactions

${\mathrm{C}}_7{\mathrm{H}}_8\stackrel{3{\mathrm{Cl}}_2/\mathrm{hv}}{\to }\mathrm{A}\stackrel{{\mathrm{Br}}_2/\mathrm{Fe}}{\to }\mathrm{B}\stackrel{\mathrm{Zn}/\mathrm{HCl}}{\to }$ C

The product 'C' is-

1. m–Bromotoluene

2. o–Bromotoluene

3. 3–Bromo–2,4,6–trichlorotoluene

4. p–Bromotoluene

Compound X on reaction with followed by gives formaldehyde and 2-methyl propanal as products. The compound X is:

1.	Pent-2-ene	2.	3-Methylbut-1-ene
3.	2-Methylbut-1-ene	4.	2-Methylbut-2-ene

For the given reaction:

'P' is:

1.		2.
3.		4.

Which one of the following compounds does not decolourize bromine water?

1.		2.
3.		4.

Predict the major product in the following sequence of reactions:

1.		2.
3.		4.