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AIIMS AIIMS Solved Paper-1999

  • question_answer
    What is the amount of chlorine evolved, when 2 A of current is passed for 30 minutes in an aqueous solution of \[NaCl\]?                                   

    A)  \[9.81g\]            

    B)  \[1.32g\]                

    C)                         \[4.56\text{ }g\]          

    D)          \[12.6g.\]

    Correct Answer: B

    Solution :

    As Q = It \[\Rightarrow \] Total charge carried \[=2\times 30\times 60\] \[=3600\text{ }C\] Now, 96500 C of charge deposites 35.5 g chlorine \[\Rightarrow \] 3600 C of charge will deposite \[=\frac{35.5}{96500}\times 3600\] \[=1.32g\]


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