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Chapter 16: Problem 39

What is an alkene?

Short Answer

Expert verified
An alkene is an unsaturated hydrocarbon that contains at least one carbon-carbon double bond. The general formula for an alkene is \(C_nH_{2n}\). Examples include ethene (\(C_2H_4\)). They are typically more reactive than alkanes due to their double bonds.

Step by step solution

01

Define Alkene

An alkene is an unsaturated hydrocarbon. It contains at least one carbon-carbon double bond. The general formula for an alkene is \(C_nH_{2n}\).
02

Structure of Alkene

They have a carbon-carbon double bond which gives them certain characteristics. For example, this double bond makes them more reactive than alkanes. The name of an alkene usually ends in '-ene'. If there is only one double bond, it is a 'monoene'. If there are two double bonds, it is a 'diene' and so on.
03

Example of Alkene

A common example of an alkene is Ethene. Its molecular formula is \(C_2H_4\) and it is the simplest alkene, having only two carbon atoms connected by a double bond.

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Most popular questions from this chapter

Name the following compounds. (a) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CHO}\) (b) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COCH}_{2} \mathrm{CH}_{3}\) (c) \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}\) (d) \(\mathrm{H}_{2} \mathrm{CO}\) (e) \(\mathrm{CH}_{3} \mathrm{CHO}\)

How do ethers differ from alcohols?

Describe the type of bonds in each of the following molecules. (a) \(\mathrm{CH}_{3} \mathrm{CH}_{3}\) (b) \(\mathrm{CH}_{2} \mathrm{CH}_{2}\) (c) \(\mathrm{CHCH}\)

Which of the following compounds are ethers? (a) \(\mathrm{CH}_{3} \mathrm{OCH}_{3}\) (b) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\) (c) \(\mathrm{CH}_{3} \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_{3}\) (d) \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\) (e) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}\)

Which would have the higher boiling point, \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OCH}_{2} \mathrm{CH}_{3}\) or \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\) ? Explain your answer.
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