• # question_answer Which of the following pair of the species has the same percentage of carbon [BHU 1999] A) $C{{H}_{3}}-C{{H}_{2}}-\underset{\,\,C{{H}_{2}}C{{H}_{3}}\,\,\,\,\,}{\mathop{\underset{\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\overset{\overset{\,C{{H}_{3}}C{{H}_{2}}\,\,\,\,}{\mathop{\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{C\,\,\,\,\,\,\,\,-\,\,\,\,\,\,}}}\,}}\,\overset{\overset{C{{H}_{3}}}{\mathop{|\,\,\,\,\,\,}}\,\,\,\,\,\,\,}{\mathop{CH\,-\,}}\,C{{H}_{2}}-{{(C{{H}_{2}})}_{2}}-C{{H}_{3}}$ and ${{C}_{2}}{{H}_{5}}OH$ B) ${{C}_{6}}{{H}_{12}}{{O}_{6}}$ and ${{C}_{12}}{{H}_{22}}{{O}_{11}}$ C) ${{C}_{6}}{{H}_{12}}{{O}_{6}}$ and ${{C}_{12}}{{O}_{22}}{{O}_{11}}$ D) ${{C}_{12}}{{O}_{22}}{{O}_{11}}$ and ${{C}_{6}}{{H}_{12}}{{O}_{6}}$

Solution :

$C{{H}_{3}}COOH$ and ${{C}_{6}}{{H}_{12}}{{O}_{6}}$ both have same percentage of carbon i.e. 40%.

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