Question

1. How propane is prepared from following:
(a) Propylene, (b) n-Propyl bromide, (c) Propyl magnesium
bromide?
2. What are hydrocarbons? Illustrate with suitable examples. Give
general formula for alkynes.
3. How n-butane is prepared from:
(a) 2-butene, (b) 1-butene
4. Write the structure of all the alkenes that can be hydrogenated to
form 2-methyl pentane.
5. An alkane, CóH za gives two monochloroalkanes when chlorinated.
What is the structure of the original alkane?
6. Write notes on:
(a) Pyrolysis
(b) Combustion
©) Halogenation of alkanes
Classification of
(cis-trans) isomerism, draw the isomeric structures
.
(a) 2-pentene
(b) 1, 1-dichloroethene
(b) 2-bromohexane
(a) 2-chloropentane
(0) 1-bromo-2-methyl pentane
(d) 2-chloro-2-methyl butane
7. Indicate which of the following compounds show geometrical
8. Give structure of alkenes expected from dehydrohalogenation of
(c) 1-chloro-2-methyl-2-butene (d) 2-methyl-2-butene
(e) 1-bromo-4-methyl pentane
(6) 3-bromo-2, 3-dimethyl pentane
following alkyl halides by strong base :​

Answer 1

Answer:

1) b) n-Propyl bromide

2) Hydrocarbon, any of a class of organic chemical compounds composed only of the elements carbon

example - plastic fibre

Answer 2

Answer:

1. How propane is prepared from following:

(a) Propylene, (b) n-Propyl bromide, (c) Propyl magnesium

bromide?

2. What are hydrocarbons? Illustrate with suitable examples. Give

general formula for alkynes.

3. How n-butane is prepared from:

(a) 2-butene, (b) 1-butene

4. Write the structure of all the alkenes that can be hydrogenated to

form 2-methyl pentane.

5. An alkane, CóH za gives two monochloroalkanes when chlorinated.

What is the structure of the original alkane?

6. Write notes on:

(a) Pyrolysis

(b) Combustion

©) Halogenation of alkanes

Classification of

(cis-trans) isomerism, draw the isomeric structures

.

(a) 2-pentene

(b) 1, 1-dichloroethene

(b) 2-bromohexane

(a) 2-chloropentane

(0) 1-bromo-2-methyl pentane

(d) 2-chloro-2-methyl butane

7. Indicate which of the following compounds show geometrical

8. Give structure of alkenes expected from dehydrohalogenation of

(c) 1-chloro-2-methyl-2-butene (d) 2-methyl-2-butene

(e) 1-bromo-4-methyl pentane

(6) 3-bromo-2, 3-dimethyl pentane

following alkyl halides by strong base :