AMU Medical AMU Solved Paper-2000

  • question_answer
    Nitrous acid reacts with \[{{H}_{2}}S{{O}_{4}}\] to give

    A)  \[NO+S{{O}_{3}}\]         

    B)  \[N{{O}_{2}}+S{{O}_{2}}\]

    C)  \[NO+S{{O}_{2}}\]         

    D)  None of these

    Correct Answer: B

    Solution :

                     Nitrous acid reacts with \[{{H}_{2}}S{{O}_{4}}\] to give \[N{{O}_{2}}\]and \[S{{O}_{2}}\]. \[\underset{nitrous\text{ }acid}{\mathop{2HN{{O}_{2}}}}\,\,\,+{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}2{{H}_{2}}O\]                                 \[+\underset{sulphur\text{ }dioxide}{\mathop{S{{O}_{2}}}}\,\,\,+\underset{nitrogen\text{ }dioxide}{\mathop{2N{{O}_{2}}}}\,\] Note- Nitrous acid \[(HN{{O}_{2}})\] is used in the manufacture of azo-dyes.


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