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JEE Main & Advanced Chemistry Analytical Chemistry Question Bank Volumetric Analysis

  • question_answer
    The primary standard solution for estimation of \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\] is   [Orissa JEE 2005]

    A) \[{{I}_{2}}\] solution

    B) \[KMn{{O}_{4}}\]

    C) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]

    D) Oxalic acid

    Correct Answer: A

    Solution :

    Standard solution of \[{{I}_{2}}\] is used to estimate sulphite, thiosulphite, arsenite etc.


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