JEE Main & Advanced Chemistry GOC Question Bank Bonding and hybridisation inorganic compounds

  • question_answer How many methyl group are present in 2, 5-dimethyl-4-ethylheptane [EAMCET 2003]

    A) 2

    B) 3

    C) 4

    D) 5

    Correct Answer: D

    Solution :

     \[\underset{\text{2, 5 d; methyl 4-ethylheptane (5 Methyl group)}}{\mathop{H-\overset{H}{\mathop{\overset{|}{\mathop{\underset{H}{\mathop{\underset{|7}{\mathop{C}}\,}}\,}}\,}}\,-\overset{H}{\mathop{\overset{|}{\mathop{\underset{H}{\mathop{\underset{|6}{\mathop{C}}\,}}\,}}\,}}\,-\overset{H\,\,\,\,}{\mathop{\overset{|\,\,\,\,\,\,\,}{\mathop{\underset{C{{H}_{3}}}{\mathop{\underset{|5\,\,\,\,}{\mathop{C-}}\,}}\,}}\,}}\,\overset{C{{H}_{2}}C{{H}_{3}}}{\mathop{\overset{|\,\,\,\,\,\,\,}{\mathop{\underset{H\,\,\,}{\mathop{\underset{|4\,\,\,\,}{\mathop{C\,\,-\,}}\,}}\,}}\,}}\,\overset{H}{\mathop{\overset{|\,\,\,}{\mathop{\underset{H}{\mathop{\underset{|3}{\mathop{C\,\,-\,}}\,}}\,}}\,}}\,\overset{C{{H}_{3}}}{\mathop{\overset{|\,\,\,}{\mathop{\underset{H}{\mathop{\underset{|2}{\mathop{C\,\,-\,}}\,}}\,}}\,}}\,\overset{H}{\mathop{\overset{|}{\mathop{\underset{H}{\mathop{\underset{1|}{\mathop{C}}\,}}\,}}\,}}\,-H}}\,\]

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