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CBSE - Class 11 Chemistry Hydrocarbons Worksheet

1.
Write IUPAC names of the following compounds : (a) $CH_3CH=C(CH_3)_2$
2.

Which of the following compound has highest boiling point 

a.

Isobutane

 b.

n-pentane

 c.

butane

 d.

Neo butane
3.

Write IUPAC names of the following compounds :

(e) 

4.
Suggest the name of a Lewis acid other than anhydrous aluminium chloride which can be used during ethylation of benzene.
5.
Arrange benzene, n-hexane and ethyne in decreasing order of acidic behaviour. Also give reason for this behaviour.
6.
Why does benzene undergo electrophilic substitution reactions easily and nucleophilic substitutions with difficulty?
7.
Write IUPAC names of the following compounds : (a) $CH_3CH=C(CH_3)_2$
8.

Write IUPAC names of the following compounds :

(c) 

9.
Write chemical equations for combustion reaction of the following hydrocarbons: (iv) Toluene
10.
How would you convert the following compounds into benzene? (i) Ethyne
11.
An alkene ‘$A$’ on ozonolysis gives a mixture of ethanal and pentan-3-one. Write structure and IUPAC name of ‘$A$’.
12.
Out of benzene, $m$-dinitrobenzene and toluene which will undergo nitration most easily and why?
13.
Why does benzene undergo electrophilic substitution reactions easily and nucleophilic substitutions with difficulty?
14.

Explain why the following systems are not aromatic?

(ii) 

15.
Write IUPAC names of the following compounds : (b) $CH_2=CH-C \equiv C-CH_3$
16.
How do you account for the formation of ethane during chlorination of methane ?
17.
How will you convert benzene into (i) $p$-nitrobromobenzene
18.
Write chemical equations for combustion reaction of the following hydrocarbons: (i) Butane
19.
What effect does branching of an alkane chain has on its boiling point?
20.

1-chloropropane on treatment with alc. KoH produces

a.

Propane

 b.

Propene

 c.

Propyne

 d.

Propyl alcohol

Worksheet Answers

2.
Option B
20.
Option B
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