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Q.
One of the following which does not observe the anti-MarkownikofFs addition of HBr, is
AIPMTAIPMT 1994Hydrocarbons
Solution:
In the case of but $-2$-ene $\left( CH _{3}- CH = CH - CH _{3}\right)$ both double bonded carbons are identical. Therefore, it does not observe the anti-Markownikoff's addition of HBr.