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JEE Main levelSingle correct optionDifficulty 2 of 3o2181

2-Methylpropene reacts with $Br X_{2}$ in water. The major product is

A1-bromo-2-methylpropan-2-ol
B2-bromo-2-methylpropan-1-ol
C1,2-dibromo-2-methylpropane
D2-methylpropane-1,2-diol

Answer: A

Water attacks the bromonium ion at the tertiary carbon, the site of greater positive charge. Br therefore lies on the terminal

CH X_{2}

, giving

BrCH X_{2} - C (OH) (CH X_{3}) X_{2}

.

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