JEE Main & Advanced Chemistry The p-block Elements-II Question Bank Halogen Family

  • question_answer Colour of iodine solution is disappeared by shaking it with aqueous solution of [CPMT 1979, 81; MP PET/PMT 1988; MP PMT 1986; RPMT 1997, 2002]

    A) \[{{H}_{2}}S{{O}_{4}}\]

    B) \[N{{a}_{2}}S\]

    C) \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\]

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

    Correct Answer: C

    Solution :

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

You need to login to perform this action.
You will be redirected in 3 sec spinner