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Subject - Chemistry:

Basics

MCQ - 290-2476

Question:

IUPAC name of this structure

40 -22529788

  1. 3-Ethyl- 2-methylhexane
  2. 4-Ethyl-5-methylhexave
  3. Iso-propyl hexane
  4. 4-Ethyl-5-methylhexave

Correct Answer: A

Explanation:

In the structural formula the longest chain hexane shows a 6 carbon chain with no carbon-carbon double bonds.
C—C—C—C—C—C
This time there are two different alkyl groups attached - an ethyl group on the number 3 carbon atom and a methyl group on number 2.So, the name will be3-ethyl-2-methylhexane.

41 -25867732

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