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What are the main classifications of hydrocarbons? What are their generic molecular

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 8Q Chapter 18

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 8Q

Problem 8Q

What are the main classifications of hydrocarbons? What are their generic molecular formulas?

Step-by-Step Solution:

Solution 8Q :

Step 1:

Hydrocarbons are the organic compounds that contain only carbon and hydrogen. Because of the versatile nature of carbon atoms, many different types of hydrocarbons exist.

Example :

        Natural rubber, candle wax, oil, gasoline etc..

The hydrocarbons are mainly classified into 4 types:

1. Alkanes.

2. Alkenes.

3. Alkynes.

4. Aromatic hydrocarbons.

1. Alkanes - They are the hydrocarbons that contain only single bonds. These hydrocarbons are saturated with hydrogen, i.e each carbon atom is connected to a different atom and hence they are also called as saturated hydrocarbons. The general molecular formula for saturated hydrocarbons, i.e alkanes is CnH2n+2

Example : Methane (CH4)

                        

2. Alkenes - They are the hydrocarbons that contain at least one double bond between the carbon atoms. They are unsaturated hydrocarbons where each carbon atom is not connected to different atom because of presence of double bond. The general molecular formula for alkenes is CnHn.

Example : Ethylene (C2H4)

                

3. Alkynes - They are the hydrocarbons that contain at least one triple bond between the carbon atoms. They are also unsaturated hydrocarbons where each carbon atom is not connected to different atom because of presence of triple bond. The general molecular formula for alkenes is CnH2n-n.

Example : Ethyne (C2H2)

                

4. Aromatic hydrocarbons - These hydrocarbons are the ones that have sigma bonds and delocalized pi electrons between carbon atoms forming a circle. It is a hydrocarbon ring compound. They have alternating double and single bonds between carbon atoms forming rings.

Example : Benzene(C6H6)
        

Step 2 of 1

Chapter 18, Problem 8Q is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. The answer to “What are the main classifications of hydrocarbons? What are their generic molecular formulas?” is broken down into a number of easy to follow steps, and 13 words. This full solution covers the following key subjects: Classifications, hydrocarbons, Generic, formulas, main. This expansive textbook survival guide covers 19 chapters, and 2046 solutions. Since the solution to 8Q from 18 chapter was answered, more than 305 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. The full step-by-step solution to problem: 8Q from chapter: 18 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM.

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What are the main classifications of hydrocarbons? What are their generic molecular