KVPY Sample Paper KVPY Stream-SX Model Paper-23

  • question_answer
    Healing of ammonium dichromate produces -

    A) \[N{{H}_{3}},\] \[C{{r}_{2}}{{O}_{3}}\] and \[{{H}_{2}}O\]

    B) \[{{N}_{2}},\] \[C{{r}_{2}}{{O}_{3}}\] and \[{{H}_{2}}O\]

    C) \[N{{O}_{2}},\] \[C{{r}_{2}}{{O}_{3}}\] and \[{{H}_{2}}O\]

    D) \[{{N}_{2}}O,\] \[C{{r}_{2}}{{O}_{3}}\] and \[{{H}_{2}}O\]

    Correct Answer: B

    Solution :

    \[{{(N{{H}_{4}})}_{2}}C{{r}_{2}}{{O}_{7}}\,\,\xrightarrow{\Delta }\,\,{{N}_{2}}+C{{r}_{2}}+4{{H}_{2}}O\]


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