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NEET Sample Paper NEET Sample Test Paper-79

  • question_answer
    Choose the correct option which will fill the A, B and C correctly. \[4B+3C{{O}_{2}}\text{ }\xrightarrow{{}}\,\,A+C\] \[4B +3Si{{O}_{2}} \xrightarrow{{}}\,\,B +Si\] \[4B\,\,+\,\,6NO\,\xrightarrow{{}}\,\,C+3\,{{N}_{2}}\]

    A)  \[{{B}_{2}}{{O}_{3}},\text{ }B{{O}_{2}},\text{ }and\text{ }BO\]

    B)  \[{{B}_{2}}{{O}_{3}},\text{ }{{B}_{2}}{{O}_{2}},\text{ }and\text{ }BO\]

    C)  \[{{B}_{2}}{{O}_{3}},\text{ }{{B}_{2}}{{O}_{3}},\text{ }and\text{ }{{B}_{2}}{{O}_{3}}\]

    D)  \[BO,\text{ }B{{O}_{2}},\text{ }and\text{ }{{B}_{2}}{{O}_{3}}\]

    Correct Answer: C

    Solution :

    As B is a powerful reducing agent reduces \[C{{O}_{2}}\], NO and \[\operatorname{Si}{{O}_{2}}\]. B replaces C, Si and N from \[C{{O}_{2}},\,\,\operatorname{Si}{{O}_{2}}\] and NO respectively.


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