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Multiple Choice
Which of the following statements correctly describes a characteristic of alkanes?
A
Alkanes are unsaturated hydrocarbons with triple bonds.
B
Alkanes are saturated hydrocarbons with only single bonds.
C
Alkanes are aromatic compounds with a benzene ring.
D
Alkanes contain at least one double bond between carbon atoms.
Verified step by step guidance
1
Begin by understanding the definition of alkanes. Alkanes are a class of hydrocarbons, which are compounds made entirely of carbon and hydrogen atoms.
Recognize that alkanes are characterized by having only single bonds between carbon atoms. This is a key feature that distinguishes them from other types of hydrocarbons.
Understand the term 'saturated hydrocarbons.' Alkanes are saturated because they contain the maximum possible number of hydrogen atoms bonded to carbon atoms, with no double or triple bonds.
Differentiate alkanes from unsaturated hydrocarbons, such as alkenes and alkynes, which contain double and triple bonds, respectively. Alkanes do not have these types of bonds.
Clarify that alkanes are not aromatic compounds. Aromatic compounds, like benzene, have a distinct ring structure and delocalized electrons, which alkanes do not possess.