Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2008

  • question_answer
    Methyl alcohol when reacted with carbon monoxide using cobalt or rhodium as catalyst, compound 'A' is formed. On heating 'A' with \[HI\] in the presence of red phosphorus as catalyst 'B' is formed. Identify 'B'.

    A)  \[C{{H}_{3}}COOH\]     

    B)  \[C{{H}_{3}}-CHO\]

    C)  \[C{{H}_{3}}.C{{H}_{2}}.I\]

    D)  \[C{{H}_{3}}-C{{H}_{3}}\]

    Correct Answer: D

    Solution :

    \[\underset{methyl\,alcohol}{\mathop{C{{H}_{3}}OH}}\,+CO\xrightarrow{Rh\,\,catalyst}\underset{aacetic\,acid}{\mathop{\underset{(A)}{\mathop{C{{H}_{3}}COOH}}\,}}\,\]\[\xrightarrow[rad\,P]{HI+}\underset{ethane}{\mathop{\underset{(B)}{\mathop{C{{H}_{3}}-C{{H}_{3}}}}\,}}\,\]


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