Uttarakhand PMT Uttarakhand PMT Solved Paper-2006

  • question_answer
    \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}+{{I}_{2}}\xrightarrow[{}]{{}}\]Product is:

    A)  \[N{{a}_{2}}S\]           

    B)  \[N{{a}_{2}}S{{O}_{4}}\]

    C)  \[N{{a}_{2}}{{S}_{4}}{{O}_{6}}\]        

    D)  \[{{S}_{2}}\]

    Correct Answer: C

    Solution :

     The product of sodium thiosulphate and iodine is sodium tetrathionate. \[2N{{a}_{2}}{{S}_{2}}{{O}_{3}}+{{I}_{2}}\xrightarrow[{}]{{}}\underset{sodium\text{ }tetrathionate}{\mathop{N{{a}_{2}}{{S}_{4}}{{O}_{6}}}}\,+2NaI\]


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