RAJASTHAN ­ PET Rajasthan PET Solved Paper-2003

  • question_answer
    Which of the following salt does not give brown gas on heating?

    A)  \[LiN{{O}_{3}}\]

    B)  \[KN{{O}_{3}}\]

    C)  \[Pb{{(N{{O}_{3}})}_{2}}\]

    D)  \[AgN{{O}_{3}}\]

    Correct Answer: B

    Solution :

    \[KN{{O}_{3}}\]gives colourless oxygen gas 'on heating. \[2KN{{O}_{3}}\xrightarrow[{}]{\Delta }2KN{{O}_{2}}+{{O}_{2}}\]


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