DUMET Medical DUMET Medical Solved Paper-2003

  • question_answer
    Which gas is evolved, when ammonium dichromate is heated?

    A)  Hydrogen     

    B)  Ammonia

    C)  Oxygen       

    D)  Nitrogen

    Correct Answer: D

    Solution :

    \[{{(N{{H}_{4}})}_{2}}C{{r}_{2}}{{O}_{7}}\xrightarrow{\Delta }C{{r}_{2}}{{O}_{3}}+4{{H}_{2}}O+{{N}_{2}}\] \[\therefore \] Nitrogen \[({{N}_{2}})\] gas is evolved on heating\[{{(N{{H}_{4}})}_{2}}C{{r}_{2}}{{O}_{7}}\].


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