What is the structure of CH₃C(CH₃)₂CH₂CH(CH₃)₂? A. H H H │ │ │ H─C─C──C─C─H │ │ │ H H H B. H H H │ │ │ H─C──C──C─C─H │ │ │ H H H C. H H H │ │ │ H─C─C──C─C─H │ │ │ H H H D. H H H H H H │ │ │ │ │ │ H─C──C──C──C──C──C─H │ │ │ │ │ │ H H H H H H

SSCE HSC Chemistry Hydrocarbons: What is the structure of CH₃C(CH

What is the structure of CH₃C(CH₃)₂CH₂CH(CH₃)₂? A - HSC - SSCE Chemistry - Question 9 - 2022 - Paper 1

Question 9

What is the structure of CH₃C(CH₃)₂CH₂CH(CH₃)₂? A. H H H │ │ │ H─C─C──C─C─H │ │ │ H H H B. H H H │ │ │ H─C──C──C─C─H │ │ │ H ... show full transcript

Step 1

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Answer

To determine the structure represented by the formula CH₃C(CH₃)₂CH₂CH(CH₃)₂, we should:

Break Down the Formula: The formula indicates that we have:
- A central carbon connected to two methyl groups (C(CH₃)₂).
- A CH₃ group and a CH₂ group connected to this carbon.
- An additional CH₃ group attached to the second carbon.
Construct the Skeleton: Start arranging the carbons based on the connections:
- The main carbon chain is connected, which means we should have a branched structure,
- Depict the branches with the methyl groups accordingly.
Select the Correct Structure: Based on the options provided:
- Visual Compare: Compare each structure with the skeletal representation we derived.
- Identify the Correct Answer: After scrutinizing the choices, it becomes clear that structure A correctly represents the given molecular formula.