NEET Sample Paper NEET Sample Test Paper-8

  • question_answer Which of the following is an example of chlorodising roasting?

    A)  \[A{{g}_{2}}S+2NaCl\xrightarrow{{}}2AgCl+N{{a}_{2}}S\]

    B)  \[PbS+2{{O}_{2}}\xrightarrow{{}}PbS{{O}_{4}}\]

    C)  \[2AgCl+4Hg\xrightarrow{{}}2AgHg+H{{g}_{2}}C{{l}_{2}}\]

    D)  Both (a) and (c)

    Correct Answer: D

    Solution :

    In the chlorodising roasting the metal or its ore is converted into chloride by heating with a chloride salt. \[A{{g}_{2}}S+2NaCl\xrightarrow{{}}2AgCl+N{{a}_{2}}S\] \[2AgCl+4Hg\xrightarrow{{}}2Ag.Hg+H{{g}_{2}}C{{l}_{2}}\]


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