JEE Main & Advanced Chemistry Organic Chemistry: Some Basic Principles & Techniques Question Bank Chemical analysis of organic compounds

  • question_answer How much sulphur is present in organic compound if on analysis 0.53 gm of this compound gives 1.158 gm of \[BaS{{O}_{4}}\] [Kerala CET 2005]

    A) 10%

    B) 15%

    C) 20%

    D) 25%

    E) 30%

    Correct Answer: E

    Solution :

    Percentage of sulphur \[=\frac{32}{233}\times \frac{\text{mass of }BaS{{O}_{4}}}{\text{mass of organic compound}}\times 100\] \[=\frac{32}{233}\times \frac{1.158}{0.53}\times 100=30%\]

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