UPSC Chemistry Metals and Non-metals Question Bank Non - Metals

  • question_answer       Yellow colour of usual nitric acid is due to the presence of which one of the following? [NDA]

    A) \[{{N}_{2}}O\]               

    B)          NO

    C) \[{{N}_{2}}{{O}_{5}}\]               

    D)          \[N{{O}_{2}}\]

    Correct Answer: D


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