NEET Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Self Evaluation Test - The d-and f-Block Elements

  • question_answer
    Which of the following is not formed when \[{{H}_{2}}S\] reacts with acidic \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] solution?

    A) \[CrS{{O}_{4}}\]                     

    B) \[C{{r}_{2}}{{(S{{O}_{4}})}_{3}}\]

    C) \[{{K}_{2}}S{{O}_{4}}\]                     

    D) S

    Correct Answer: A

    Solution :

    [a] \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}+4{{H}_{2}}S{{O}_{3}}+3{{H}_{2}}S\xrightarrow{{}}\] \[{{K}_{2}}S{{O}_{4}}+C{{r}_{2}}{{(S{{O}_{4}})}_{3}}+7{{H}_{2}}O+3S\]


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