Multiple Choice
Which of the following best describes the difference between microevolution and macroevolution in the context of organic chemistry?
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Intro to Organic Chemistry
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Which of the following statements correctly describes a characteristic of alkanes?
A
Alkanes are hydrocarbons that contain at least one triple bond between carbon atoms.
B
Alkanes are hydrocarbons that contain at least one double bond between carbon atoms.
C
Alkanes are hydrocarbons that contain only single bonds between carbon atoms.
D
Alkanes are hydrocarbons that contain aromatic rings.
Verified step by step guidance1
Begin by understanding the basic definition of alkanes. Alkanes are a class of hydrocarbons, which means they are composed entirely of carbon and hydrogen atoms.
Recognize that alkanes are saturated hydrocarbons. This means they contain the maximum possible number of hydrogen atoms attached to the carbon skeleton, with no double or triple bonds.
Identify the bonding in alkanes. Alkanes are characterized by having only single bonds between carbon atoms. This is a key feature that distinguishes them from other types of hydrocarbons like alkenes and alkynes.
Consider the structural formula of alkanes. The general formula for alkanes is \( C_nH_{2n+2} \), where \( n \) is the number of carbon atoms. This formula reflects the saturation of hydrogen atoms in the molecule.
Evaluate the options given in the problem. The correct statement is: 'Alkanes are hydrocarbons that contain only single bonds between carbon atoms.' This aligns with the definition and characteristics of alkanes as saturated hydrocarbons.
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