JEE Main & Advanced Chemistry GOC Question Bank Structural and stereo isomerism

  • question_answer Choose the pair of chain isomer [RPMT 2000]

    A) \[C{{H}_{3}}CHB{{r}_{2}}\] and  \[C{{H}_{2}}BrC{{H}_{2}}Br\]

    B) 1-propanol and 2-propanol

    C) Neo-pentane and isopentane

    D) Diethyl ether and methyl-n-propyl ether

    Correct Answer: C

    Solution :

      Neopentane and isopentane are chain isomers. \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,\,\,}{\overset{|\,\,\,\,\,\,\,\,}{\mathop{C\,-\,\,\,}}}\,}}}\,C{{H}_{3}}\] and \[C{{H}_{3}}-C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{3}}\]


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