JEE Main & Advanced Chemistry Analytical Chemistry Question Bank Wet Test for Acid Radical

  • question_answer
    Which of the following gives black precipitate when \[{{H}_{2}}S\] gas is passed through its solution [CPMT 1974]

    A) Acidic \[AgN{{O}_{3}}\]

    B) \[Mg{{(N{{O}_{3}})}_{2}}\]

    C) Ammonical \[BaC{{l}_{2}}\]

    D) Copper nitrate

    Correct Answer: A

    Solution :

    \[2AgN{{O}_{3}}+{{H}_{2}}S\to \underset{\text{Black ppt}\text{.}}{\mathop{A{{g}_{2}}S}}\,+2HN{{O}_{3}}\]


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