Which type of compounds are known as aliphatic compounds and have bran...
Compounds with branched or straight chains are known as acyclic compounds, also called aliphatic compounds. They do not form closed rings.
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Which type of compounds are known as aliphatic compounds and have bran...
Understanding Aliphatic Compounds
Aliphatic compounds are a category of organic compounds that consist of carbon and hydrogen atoms arranged in straight or branched chains. They do not contain aromatic rings.
Key Features of Aliphatic Compounds:
- Structure: Aliphatic compounds can be:
- Straight-chain: Linear arrangements of carbon atoms.
- Branched-chain: Carbon chains with side branches.
- Types: They can be classified into three major categories:
- Alkanes: Saturated hydrocarbons with single bonds (e.g., ethane).
- Alkenes: Unsaturated hydrocarbons with one or more double bonds (e.g., ethylene).
- Alkynes: Unsaturated hydrocarbons with one or more triple bonds (e.g., acetylene).
Why Option C is Correct:
- Acyclic Compounds: This term refers to compounds that do not form a ring structure and can be either straight-chain or branched, aligning perfectly with the definition of aliphatic compounds.
- Contrast with Other Options:
- Aromatic Compounds (Option A): These contain conjugated pi electron systems and typically have cyclic structures.
- Alicyclic Compounds (Option B): These are cyclic compounds that can have aliphatic characteristics but still contain a ring structure.
- Heterocyclic Compounds (Option D): These contain rings that also include atoms other than carbon (e.g., nitrogen, oxygen).
Conclusion
Acyclic compounds, as a subset of aliphatic compounds, perfectly encapsulate the essence of having either branched or straight chains. Therefore, the correct answer is option C, making it essential for students to understand the distinction for their NEET preparation.
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