Question:

Aliphatic hydrocarbons are

Updated On: Apr 16, 2025
  • closed chain hydrocarbons
  • acyclic hydrocarbons
  • open chain hydrocarbons
  • (B) and (C)
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The Correct Option is D

Solution and Explanation

Aliphatic hydrocarbons are hydrocarbons that do not contain any aromatic rings. They can be either straight-chain, branched-chain (acyclic/open chain), or cyclic alkanes (alicyclic hydrocarbons). 

(1) Closed chain hydrocarbons: These are cyclic hydrocarbons. 
(2) Acyclic hydrocarbons: These are non-cyclic hydrocarbons. 
(3) Open chain hydrocarbons: These are the same as acyclic hydrocarbons. 

Since aliphatic hydrocarbons can be acyclic or open-chain hydrocarbons, the correct answer is (4).

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