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Haryana PMT Haryana PMT Solved Paper-2002

  • question_answer
    When \[{{H}_{2}}S\] gas is passed through an acidified solution of  ...... yellow precipitate is formed?

    A)  Curious      

    B)  \[C{{d}^{2+}}\]ions

    C)   \[N{{i}^{2+}}\]ions      

    D)  Copious

    Correct Answer: B

    Solution :

                    Yellow precipitate is formed due to the formation of CdS. \[C{{d}^{2+}}+{{H}_{2}}S\xrightarrow{{}}CaS\downarrow +\underset{Yellow\,\,precipitate}{\mathop{2{{H}^{+}}}}\,\]


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