What is the major organic product obtained from the following reaction?

Question

Quizplus · Accepted Answer

The starting material is an alkene with a methyl group on one side and a phenyl group on the other. When it undergoes hydroboration with BH3 in THF, it adds the boron atom to the less substituted carbon, followed by oxidation with hydrogen peroxide to form an alcohol. The product will have a methyl group and a hydroxyl group on the same carbon, and a phenyl group on the adjacent carbon, which is consistent with choice C.

What Is the Major Organic Product Obtained from the Following