Anti-Markownikoff's addition of HBr is not observed in -
A
Propene
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B
But−2−ene
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C
Butene
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D
Pent−2−ene
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Solution
The correct option is B But−2−ene But-2-ene is symmetrical, so it doesn't make any difference with HBr addition and forms the same product in both Markownikoff's and anti-Markownikoff's addition.