12th Class Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank 12th CBSE Chemistry Alcohols, Phenols and Ethers

  • question_answer
    What happens when propene is reacted with diborane and the product is hydrolysed with alkaline \[{{H}_{2}}{{O}_{2}}\]?

    Answer:

                    Propan-1-ol is formed as a result of hydroboration oxidation reaction. \[\underset{\begin{smallmatrix}   \\  \text{Propene} \end{smallmatrix}}{\mathop{3C{{H}_{3}}CH=C{{H}_{2}}}}\,\xrightarrow{\begin{smallmatrix}  B{{H}_{3}} \\   \end{smallmatrix}}\underset{\begin{smallmatrix}   \\  \text{Tri-n-propylborane} \end{smallmatrix}}{\mathop{\,{{(C{{H}_{3}}C{{H}_{2}}C{{H}_{2}})}_{3}}B}}\,\]\[\xrightarrow[-{{H}_{2}}O]{{{({{H}_{2}}{{O}_{2}}/OH)}^{-}}}\underset{\begin{smallmatrix}   \\  \text{Propan-1-ol} \end{smallmatrix}}{\mathop{\,3\,C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH+{{H}_{3}}B{{O}_{3}}}}\,\]


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