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12th Class Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank MCQs - The p-Block Elements

  • question_answer
    Which of the following products will be obtained on heating ammonium dichromate?

    A) Chromium oxide and ammonia

    B) Chromic acid and ammonia

    C) Chromic acid and nitrogen

    D) Chromium oxide and nitrogen

    Correct Answer: D

    Solution :

    [d]
    On heating ammonium dichromate, chromium oxide \[(C{{r}_{2}}{{O}_{3}}),\] nitrogen \[({{N}_{2}})\] and water are produced.
    \[{{(N{{H}_{4}})}_{2}}C{{r}_{2}}{{O}_{7}}\xrightarrow{\Delta }C{{r}_{2}}{{O}_{3}}+{{N}_{2}}+4{{H}_{2}}O\]


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