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JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank The mole concept

  • question_answer
    The total number of gm-molecules of \[S{{O}_{2}}C{{l}_{2}}\] in \[13.5g\] of sulphuryl chloride is                                     [CPMT 1992]

    A)                 0.1         

    B)                 0.2

    C)                 0.3         

    D)                 0.4

    Correct Answer: A

    Solution :

               Molecular weight of \[S{{O}_{2}}C{{l}_{2}}\]                    \[=32+32+2\times 35.5\]= 135gm                    \[\because \]    135 gm of \[S{{O}_{2}}C{{l}_{2}}\] = 1gm molecule                 \[\therefore \]   13.5gm of \[S{{O}_{2}}C{{l}_{2}}\] \[=\frac{1}{135}\times 13.5=0.1\].


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