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Given below are two statements: Statement I: Propene on treatment with diborane gives an addition product with the formula $((CH_3)_2CH)_3B$. Statement II: Oxidation of $((CH_3)_2CH)_3B$ with hydrogen peroxide in presence of NaOH gives propan-2-ol. In the light of the above statements, choose the most appropriate answer from the options given below:
A
Statement I is correct but Statement II is incorrect
B
Statement I is incorrect but Statement II is correct
C
Both Statement I and Statement II are correct
D
Both Statement I and Statement II are incorrect
Detailed Solution
Hydroboration of propene is anti-Markovnikov, so boron attaches to the less hindered terminal carbon, giving $(CH_3CH_2CH_2)_3B$ (not $((CH_3)_2CH)_3B$) — so Statement I is incorrect. However, oxidation of a borane such as $((CH_3)_2CH)_3B$ with $H_2O_2/NaOH$ does proceed with retention of configuration to replace the C–B bond with a C–OH bond, giving propan-2-ol, so Statement II (as a statement of the oxidation step) is correct.
