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JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank Chemical stoichiometry

  • question_answer
    What is the % of \[{{H}_{2}}O\]in \[Fe{{(CNS)}_{3}}.3{{H}_{2}}O\]

    A)                 45          

    B)                 30

    C)                 19          

    D)                 25

    Correct Answer: C

    Solution :

               In \[Fe{{(CNS)}_{3}}.\ 3{{H}_{2}}O\]                                 % of \[{{H}_{2}}O=\frac{3\times 18}{284}\times 100=19%\].


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