NEET Sample Paper NEET Sample Test Paper-9

  • question_answer
    A compound (X) on ozonolysis followed by reduction gives an aldehyde \[{{C}_{2}}{{H}_{4}}O\] and 2-butanone, compound (X) is

    A)  3-methyl pentene-2

    B)  3-methyl pentene-3

    C)  3-methyl hexene-3

    D)  3-ethyl pentene-3

    Correct Answer: A

    Solution :

    \[X\xrightarrow[II.\,\,Zn/AcOH]{I.\,{{O}_{3}}}\underset{aldehyde}{\mathop{{{C}_{2}}{{H}_{4}}O}}\,+\underset{2-\text{butanone}}{\mathop{C{{H}_{3}}C{{H}_{2}}COC{{H}_{3}}}}\,\] The aldehyde should be \[C{{H}_{3}}CHO\] because the molecular formula is \[{{C}_{2}}{{H}_{4}}O\]

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