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NCERT solutions for Class 11 Chemistry chapter 13 - Hydrocarbons

Chemistry Textbook for Class 11

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NCERT Chemistry Class 11

Chemistry Textbook for Class 11 - Shaalaa.com

Chapter 13: Hydrocarbons

Chapter 13: Hydrocarbons solutions [Pages 396 - 397]

Q 1 | Page 396

How do you account for the formation of ethane during chlorination of methane?

Q 2.1 | Page 396

Write IUPAC names of the following compounds: CH3CH=C(CH3)2

Q 2.2 | Page 396

Write IUPAC names of the following compounds: CH2=CH-C≡C-CH3

Q 2.3 | Page 396

Write IUPAC names of the following compounds:

 

Q 2.4 | Page 396

Write IUPAC names of the following compounds :

Q 2.5 | Page 396

Write IUPAC names of the following compounds :

Q 2.6 | Page 396

Write IUPAC names of the following compounds:

Q 2.7 | Page 396

Write IUPAC names of the following compounds :

Q 3.1 | Page 396

For the following compounds, write structural formulas and IUPAC names for all possible isomers having the number of double or triple bond as indicated:

C4H8 (one double bond)

Q 3.2 | Page 396

For the following compounds, write structural formulas and IUPAC names for all possible isomers having the number of the double or triple bond as indicated:

C5H8 (one triple bond)

Q 4.1 | Page 396

Write IUPAC names of the products obtained by the ozonolysis of the following compounds

 Pent-2-ene

Q 4.2 | Page 396

Write IUPAC names of the products obtained by the ozonolysis of the following compounds:

3,4-Dimethyl-hept-3-ene

Q 4.3 | Page 396

Write IUPAC names of the products obtained by the ozonolysis of the following compounds:

2-Ethylbut-1-ene 

Q 4.4 | Page 396

Write IUPAC names of the products obtained by the ozonolysis of the following compounds: 

1-Phenylbut-1-ene

Q 5 | Page 397

An alkene ‘A’ on ozonolysis gives a mixture of ethanal and pentan-3-one. Write structure and IUPAC name of ‘A’.

Q 6 | Page 397

An alkene ‘A’ contains three C – C, eight C – H σ bonds and one C – C π bond. ‘A’ on ozonolysis gives two moles of an aldehyde of molar mass 44 u. Write IUPAC name of ‘A’.

Q 7 | Page 397

Propanal and pentan-3-one are the ozonolysis products of an alkene? What is the structural formula of the alkene?

Q 8.1 | Page 397

Write chemical equations for combustion reaction of the following hydrocarbons:

Butane

Q 8.2 | Page 397

Write chemical equations for combustion reaction of the following hydrocarbons: 

Pentene 

Q 8.3 | Page 397

Write chemical equations for combustion reaction of the following hydrocarbons:

Hexyne 

Q 8.4 | Page 397

Write chemical equations for combustion reaction of the following hydrocarbons:

Toluene

Q 9 | Page 397

Draw the cis and trans structures of hex-2-ene. Which isomer will have higher b.p. and why?

Q 10 | Page 397

Why is benzene extra ordinarily stable though it contains three double bonds?

Q 11 | Page 397

What are the necessary conditions for any system to be aromatic?

Q 12.1 | Page 397

Explain why the following systems are not aromatic?

Q 12.2 | Page 397

Explain why the following systems are not aromatic?

Q 12.3 | Page 397

Explain why the following systems are not aromatic?

Q 13.1 | Page 397

How will you convert benzene into p-nitrobromobenzene 

Q 13.2 | Page 397

How will you convert benzene into m-nitrochlorobenzene

Q 13.3 | Page 397

How will you convert benzene into -nitrotoluene

Q 13.4 | Page 397

How will you convert benzene into acetophenone

Q 14 | Page 397

In the alkane H3C–CH2–C(CH3)2–CH2–CH(CH3)2, identify 1°,2°,3° carbon atoms and give the number of H atoms bonded to each one of these.

Q 15 | Page 397

What effect does branching of an alkane chain has on its boiling point?

Q 16 | Page 397

Addition of HBr to propene yields 2-bromopropane, while in the presence of benzoyl peroxide, the same reaction yields 1-bromopropane. Explain and give mechanism.

Q 17 | Page 397

Write down the products of ozonolysis of 1, 2-dimethylbenzene (o-xylene). How does the result support Kekulé structure for benzene?

Q 18 | Page 397

Arrange benzene, n-hexane and ethyne in decreasing order of acidic behaviour. Also give reason for this behaviour.

Q 19 | Page 397

Why does benzene undergo electrophilic substitution reactions easily and nucleophilic substitutions with difficulty?

Q 20.1 | Page 397

How would you convert the following compounds into benzene?

Ethyne 

Q 20.2 | Page 397

How would you convert the following compounds into benzene?

Ethene 

Q 20.3 | Page 397

How would you convert the following compounds into benzene?

Hexane

Q 21 | Page 397

Write structures of all the alkenes which on hydrogenation give 2-methylbutane.

Q 22.1 | Page 397

Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, E+

Chlorobenzene, 2,4-dinitrochlorobenzene, p-nitrochlorobenzene

Q 22.2 | Page 397

Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, E+

Toluene, p-H3C–C6H4–NO2p-O2N–C6H4–NO2.

Q 23 | Page 397

Out of benzene, m–dinitrobenzene and toluene which will undergo nitration most easily and why?

Q 24 | Page 397

Suggest the name of a Lewis acid other than anhydrous aluminium chloride which can be used during ethylation of benzene.

Q 25 | Page 397

Why is Wurtz reaction not preferred for the preparation of alkanes containing odd number of carbon atoms? Illustrate your answer by taking one example

Chapter 13: Hydrocarbons

NCERT Chemistry Class 11

Chemistry Textbook for Class 11 - Shaalaa.com

NCERT solutions for Class 11 Chemistry chapter 13 - Hydrocarbons

NCERT solutions for Class 11 Chemistry chapter 13 (Hydrocarbons) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Chemistry Textbook for Class 11 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 11 Chemistry chapter 13 Hydrocarbons are Classification of Hydrocarbons, Alkanes - Introduction, Nomenclature and Isomerism, Preparation of Alkanes from Unsaturated Hydrocarbons, Alkyl Halides and Carboxylic Acids, Physical Properties of Alkanes, Chemical Properties of Alkanes, Conformations (Ethane), Alkenes - Introduction, Structure of Double Bond, Nomenclature, Isomerism, Preparation of Alkenes from Alkynes, Alkyl Halides, Vicinal Dihalides and Alcohols by Acidic Dehydration, Physical Properties of Alkenes, Chemical Properties of Alkenes, Alkynes - Introduction, Nomenclature and Isomerism, Structure of Triple Bond, Preparation of Alkynes from Calcium Carbide and Vicinal Dihalides, Physical Properties of Alkynes, Chemical Properties of Alkynes, Aromatic Hydrocarbons - Introduction, Nomenclature and Isomerism, Structure of Benzene, Aromaticity, Preparation of Benzene, Physical Properties of Aromatic Hydrocarbons, Chemical Properties of Aromatic Hydrocarbons, Electrophilic Substitution Reactions, Mechanism of Electrophilic Substitution Reactions, Directive Influence of a Functional Group in Monosubstituted Benzene, Carcinogenicity and Toxicity.

Using NCERT Class 11 solutions Hydrocarbons exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 11 prefer NCERT Textbook Solutions to score more in exam.

Get the free view of chapter 13 Hydrocarbons Class 11 extra questions for Chemistry and can use Shaalaa.com to keep it handy for your exam preparation

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