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The product formed in the following multistep reaction is : (i) B2H6 (ii) H2O2, NaOH (iii) PCC (iv) CH3MgBr CH3 - CH = CH2

1. CH3 - CH2 - C(=O) - OCH3
2. CH3 - C(OH)(CH3) - CH3
3. CH3 - CH2 - CH(OH) - CH3
4. CH3 - CH2 - CH2 - CH2 - OH

Correct answer: CH3 - CH2 - CH(OH) - CH3

Solution

The correct option is CH3 - CH2 - CH(OH) - CH3 because the reaction sequence involves hydroboration-oxidation followed by oxidation, which results in the formation of an alcohol at the terminal position of the alkene, specifically a secondary alcohol.

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