Final Answer:
Propane can be represented using wedges and dashes as CH₃CH₂CH₃.
H H
\ /
C---C---C
/ \
H H
Bromoethane's structure with wedges and dashes appears as CH₃CH₂Br.
H
|
H---C---C
| /
Br H
Step-by-step explanation:
In organic chemistry, representing molecules using wedges and dashes helps visualize their three-dimensional structure. Propane consists of three carbon atoms in a chain, each attached to hydrogen atoms. Using wedges and dashes, the central carbon is connected to two other carbons, one with a dash (representing a bond going away from the viewer) and the other with a wedge (representing a bond coming towards the viewer). This structure is denoted as CH₃CH₂CH₃.
Bromoethane, on the other hand, is a halogen-substituted compound where one of the hydrogen atoms in ethane is replaced by a bromine atom. Following the wedges and dashes representation, the molecule contains two carbons in a chain. The first carbon is connected to three hydrogen atoms and the second carbon, indicated by a wedge. The second carbon is connected to the first carbon (denoted by a dash) and a bromine atom (indicated by another wedge). The structure is written as CH₃CH₂Br.
In organic chemistry, it's crucial to comprehend molecular structures to predict their properties and reactivity accurately. The wedges and dashes notation helps in depicting the spatial arrangement of atoms in a molecule, aiding in understanding its behavior and interactions with other substances. This visual representation is vital for grasping the structure-function relationship in organic compounds.
Here is complete question;
"Draw a structure using wedges and dashes for the following compounds: propane and bromoethane."