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QJEEAdv20Ch4459: JEE Advanced 2020 Chemistry - Class 11 JEEAdv20Ch4459 Solution: Which of the following structures has the IUPAC name…

Which of the following structures has the IUPAC name

3-ethynyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid?

Multiple Choice Options

  • A https://ik.imagekit.io/novatra/photos/7b8d76a1db636d31c773450680c49d47cadeb587a6d10ccae52ea3407d4d1cea.webp
  • B https://ik.imagekit.io/novatra/photos/bb3ece4ebf14b71f46e6b4f9140a66794cbdaa595a7ce1513acd2e0ae70850a1.webp
  • C https://ik.imagekit.io/novatra/photos/5d0010cfc8f8bf3b0e8d9c6f560badd5512512e94199128de3d0d5c8609d5bb0.webp
  • D https://ik.imagekit.io/novatra/photos/d9d954c7c49fb10c734a106dee412e99465836b5f137a7e724f2d6ca158a0f88.webp

Step-by-Step Verified Solution

According to the IUPAC rules, first of all select the longest carbon chain (6-carbon atoms) then numbering should be start from most prior functional group, which is carboxylic acid in the given compound, thus

JEE Advanced 2020 Paper 1 Offline Chemistry - Basics of Organic Chemistry Question 29 English Explanation

3-ethynyl-2hydroxy-4-methylhex-3-en-5-ynoic acid

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