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Multiple Choice
Which of the following statements correctly describes a characteristic of alkanes?
A
Alkanes are hydrocarbons with only single bonds between carbon atoms.
B
Alkanes are aromatic compounds with a benzene ring.
C
Alkanes contain at least one double bond between carbon atoms.
D
Alkanes are hydrocarbons with at least one triple bond between carbon atoms.
Verified step by step guidance
1
Begin by understanding the basic definition of alkanes. Alkanes are a class of hydrocarbons, which means they are composed solely of carbon and hydrogen atoms.
Recognize the bonding characteristics of alkanes. Alkanes are saturated hydrocarbons, meaning they contain only single bonds between carbon atoms. This is a key feature that distinguishes them from other types of hydrocarbons.
Differentiate alkanes from other hydrocarbon classes. Aromatic compounds, such as those containing a benzene ring, are not alkanes. Alkanes do not have the delocalized electrons characteristic of aromatic compounds.
Identify the types of bonds present in alkanes. Alkanes do not contain double or triple bonds between carbon atoms. These types of bonds are found in alkenes (double bonds) and alkynes (triple bonds), respectively.
Conclude by selecting the statement that accurately describes alkanes: 'Alkanes are hydrocarbons with only single bonds between carbon atoms.' This statement correctly captures the defining characteristic of alkanes.