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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 15

  • question_answer
    The strength of an aqueous solution of \[{{I}_{2}}\] can be determined by titrating the solution with standard solution of:

    A) Oxalic acid           

    B) Sodium thiosulphate

    C) Sodium hydroxide    

    D) Mohr's salt

    Correct Answer: B

    Solution :

    \[{{I}_{2}}+2N{{a}_{2}}{{S}_{2}}{{O}_{3}}\to N{{a}_{2}}{{S}_{4}}{{O}_{6}}+2NaI\]


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