JEE Main & Advanced JEE Main Paper (Held On 09-Jan-2019 Evening)

  • question_answer
    For coagulation of arsenious sulphide sol which one of the following salt solution will be most effective? [JEE Main Online Paper (Held On 09-Jan-2019 Evening]

    A) \[AlC{{l}_{3}}\]

    B) \[NaCl\]

    C) \[N{{a}_{3}}P{{O}_{4}}~~~~~~~~\]         

    D)               \[BaC{{l}_{2}}\]

    Correct Answer: A

    Solution :

    Arsenic sulphide is a negatively changed sol so cation having maximum charge will be most effective for coagulation of \[A{{s}_{2}}{{S}_{3}}\]                                  


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