RAJASTHAN PMT Rajasthan - PMT Solved Paper-2000

  • question_answer
    Which pair represents chain isomers?

    A)  2-methyl butane and neopentane

    B)  \[C{{H}_{3}}CHC{{l}_{2}}\]and \[ClC{{H}_{2}}C{{H}_{2}}Cl\]

    C)  Dethyl ether and propyl ether

    D)  Propyl alcohol and isopropyl alcohol

    Correct Answer: A

    Solution :

    \[\underset{2-methyl\,\,\text{butane}}{\mathop{C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}-C{{H}_{3}}}}\,\] \[\underset{\text{Neopentane}}{\mathop{C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-C{{H}_{3}}}}\,\] Both are show chain isomerism.


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