JEE Main & Advanced Chemistry GOC Question Bank Critical Thinking

  • question_answer Number of isomers of \[{{C}_{4}}{{H}_{10}}\] is [CBSE PMT 1996; AFMC 1997; RPMT 2002; MP PMT 1997]

    A) 2

    B) 3

    C) 4

    D) Isomerism not exist

    Correct Answer: A

    Solution :

      \[\underset{n-\text{Butane}}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}}}}\,\], \[\underset{\text{Iso}-\text{butane}}{\mathop{C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{3}}}}\,\]

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