CMC Medical CMC-Medical Ludhiana Solved Paper-2008

  • question_answer
    Which of the following oxides of nitrogen is the anhydride of nitrous acid?

    A)  \[NO\]                                

    B)  \[{{N}_{2}}{{O}_{3}}\]

    C)  \[{{N}_{2}}{{O}_{4}}\]                  

    D)  \[{{N}_{2}}{{O}_{5}}\]

    Correct Answer: B

    Solution :

                    Nitrous acid gives dinitrogen trioxide on dehydration. \[2HN{{O}_{2}}\xrightarrow{{}}{{H}_{2}}O+{{N}_{2}}{{O}_{3}}\]


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