Multiple Choice
Which of the following processes was made possible by the presence of photosynthetic bacteria on Earth?
1. A Review of General Chemistry
Intro to Organic Chemistry
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Which of the following is a characteristic feature of alkanes in organic chemistry?
A
They contain at least one triple bond between carbon atoms.
B
They contain at least one double bond between carbon atoms.
C
They are aromatic compounds with a benzene ring.
D
They contain only single bonds between carbon atoms.
Verified step by step guidance1
Understand the definition of alkanes: Alkanes are a class of hydrocarbons in organic chemistry that consist entirely of single bonds between carbon atoms.
Recognize the general formula for alkanes: The general formula for alkanes is CnH2n+2, where 'n' is the number of carbon atoms.
Identify the types of bonds in alkanes: Alkanes contain only single covalent bonds (sigma bonds) between carbon atoms, which makes them saturated hydrocarbons.
Differentiate alkanes from other hydrocarbons: Unlike alkenes and alkynes, which contain double and triple bonds respectively, alkanes do not have any multiple bonds.
Clarify the misconception about aromatic compounds: Aromatic compounds, such as benzene, have a distinct structure with alternating double bonds and are not classified as alkanes.
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