BVP Medical BVP Medical Solved Paper-2003

  • question_answer
    A white substance having alkaline nature in solution is:

    A)  \[NaN{{O}_{3}}\]                           

    B)  \[N{{H}_{4}}Cl\]

    C)  \[N{{a}_{2}}C{{O}_{3}}\]             

    D)  \[F{{e}_{2}}{{O}_{3}}\]

    Correct Answer: C

    Solution :

                     \[N{{a}_{2}}C{{O}_{3}},\] on hydrolysis gives alkaline solution, as the solution contains strong base and weak acid.                  \[\underset{white}{\mathop{N{{a}_{2}}C{{O}_{3}}}}\,\xrightarrow{2{{H}_{2}}O}\underset{strong\,base}{\mathop{2NaOH}}\,+\underset{weak\,acid}{\mathop{{{H}_{2}}C{{O}_{3}}}}\,\]


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