Doubt from pinacol rearrangement


@Bhuvanitha_2020 @Abhishek_2020_5

Is the answer B?

plz confirm

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Bro my answer was also coming B but ans given is A
I dont know how @Samarth_2020

If a is answer then ethyl shift must also take place

If A is the answer then this must be the mechanism. But it violates many rules.

Aisa bhi kuch hota hai .ans sayad galat hoga I dont think this type of mechanism will take place .thanks

Haa kyunki step 2 mein already stable product ban Gaya hai to ethyl shift Ka koi matlab nahi hai

I think this is the mechanism.

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Par bhai carbocation to jayada stable banega ethyl par yahi to pinnocle ka rds hota hai

Bhai ethyl par carbocation kaise stable banega wha par to 4 @H hi honge and methyl wale me 6

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Acha aise hum to +I effect dekh rahe the islye hamko laga ethyl pe jayada stable hoga

Bhai for stability order is Resonance>hyperconjugation>inductive effect

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