JEE Main & Advanced Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank General introduction of alcohol Phenol and Ethers

  • question_answer
    Carbon percentage is maximum in           [BHU 1998]

    A)                 Pyrene

    B)                 Gammexane

    C)                 Ethylene glycol 

    D)                 PVC

    Correct Answer: C

    Solution :

                % of \[C=\frac{\text{Mass}\,\,\text{of}\,\,C}{\text{Mass}\,\,\text{of}\,\,\text{substance}}\times 100\]            \[CC{{l}_{4}}=\frac{12}{154}\times 100=7.79\,%\]            \[{{C}_{6}}{{H}_{6}}C{{l}_{6}}=\frac{72}{291}\times 100=24.74\,%\]                                 \[C{{H}_{2}}OH-C{{H}_{2}}OH=\frac{24}{62}\times 100=38.70\,%\].


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