Haryana PMT Haryana PMT Solved Paper-2003

  • question_answer
    Which of the following alcohol give positive iodoform test?

    A)  Methanol      

    B)  Ethyl carbinol

    C)  Pentanol-3     

    D)  Methyl carbinol

    Correct Answer: D

    Solution :

                    Methyl   carbinol   \[(C{{H}_{3}}C{{H}_{2}}OH)\]give iodoform test, as it is oxidised to acetaldehyde in basic conditions. \[{{C}_{2}}{{H}_{5}}OH+6NaOH+4{{I}_{2}}\xrightarrow{{}}\]\[CH{{I}_{3}}+5NaI+HCOONa+3{{H}_{2}}O\]


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