JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2012

  • question_answer
    When glycerol is heated with\[KHS{{O}_{4}},\]it gives

    A)  \[C{{H}_{2}}=CH-C{{H}_{3}}\]

    B)  \[C{{H}_{2}}=CH-C{{H}_{2}}OH\]

    C)  \[C{{H}_{2}}=CH-CHO\]

    D)  \[C{{H}_{2}}=C=C{{H}_{2}}\]

    Correct Answer: C

    Solution :

                    When glycerol is heated with\[KHS{{O}_{4}},\]acrolein is produced. \[\underset{\begin{smallmatrix}  | \\  C{{H}_{2}}-OH \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{2}}-OH \\  | \end{smallmatrix}}{\mathop{CH-OH}}}\,\xrightarrow[{}]{KHS{{O}_{4}}}\] \[\underset{acrolein}{\mathop{C{{H}_{2}}=CH-CH=O}}\,+2{{H}_{2}}O\]


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