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JEE Main & Advanced Chemistry Chemical Bonding and Molecular Structure / रासायनिक आबंधन एवं आणविक संरचना Question Bank Covalent bonding

  • question_answer
    Valency of sulphur in \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\]is  [DPMT 1984]

    A)                 Two      

    B)                 Three

    C)                 Four      

    D)                 Six

    Correct Answer: A

    Solution :

                    Valency of \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\] is supposed to be x, then  \[2+2x+(-\,6)=0\],  \[2x-4=0\],  \[x=2\].


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