Verified Solution • 2025–26 Session moderate

QJEEM25Ch489a: JEE Main 2025 Chemistry - Class 11 JEEM25Ch489a Solution: Which one of the carbocations from the following is most stable?

Which one of the carbocations from the following is most stable?

Multiple Choice Options

  • A https://ik.imagekit.io/novatra/photos/d2cfff8776f73414c2083cfe2c02be42a97d69a46fb5531ef721abe0c8ee5adb.webp
  • B https://ik.imagekit.io/novatra/photos/bea1fb245e7bed224220c13e9266fd372fc908555356d1cf4fa00ce7e3356ef3.webp
  • C https://ik.imagekit.io/novatra/photos/44c7580d0368a76e42e34e1793e284729737d7ff88c2188bbdc4677061409ce4.webp
  • D https://ik.imagekit.io/novatra/photos/73aca478427878a15dc9f5b7ba9b1dc36a17ee39e321ea561d86e542215201fb.webp

Step-by-Step Verified Solution

Carbocation intermediate is stabilised by +I,+M&+\mathrm{I},+\mathrm{M} \& hyperconjugation effect. Since in option 2 carbocation is in conjugation with stronger +M group −OCH3-\mathrm{OCH}_3 hence it will be most stable.

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