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QJEEM22Ch03f7: JEE Main 2022 Chemistry - Class 11 JEEM22Ch03f7 Solution: Among the following marked proton of which compound shows…

Among the following marked proton of which compound shows lowest pKa\mathrm{pK}_{\mathrm{a}} value?

Multiple Choice Options

  • A https://ik.imagekit.io/novatra/photos/69386f7fb74122da5c9f89eebe6112972afd126288e9a6e16d3463ea30630ef6.webp
  • B https://ik.imagekit.io/novatra/photos/76e02098d0ad15562b713d738ffbcc27c02c4e23a43a6d61bdfb7d938c8680f4.webp
  • C https://ik.imagekit.io/novatra/photos/ee1f0baf7f43a2b2ffd3e9a70a568d749024d4ae325ce548f3824511d7c7f9e1.webp
  • D https://ik.imagekit.io/novatra/photos/316851314592cff9d28ea41eb047b51db4c2edf0c9109c3b4e2f404e1c6d8f37.webp

Step-by-Step Verified Solution

JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Basics of Organic Chemistry Question 101 English Explanation 1 JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Basics of Organic Chemistry Question 101 English Explanation 2 JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Basics of Organic Chemistry Question 101 English Explanation 3 JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Basics of Organic Chemistry Question 101 English Explanation 4

The conjugate base of compound (C) is stabilized by extended conjugation. Hence the indicated proton of compound CC is most acidic i.e. will have lowest pKa\mathrm{pK}_{\mathrm{a}} .

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