EAMCET Medical EAMCET Medical Solved Paper-2007

  • question_answer
    \[SiC{{l}_{4}}\xrightarrow{{{H}_{2}}O}X\xrightarrow{{{1000}^{o}}C}Y\] In the above reaction, X and Y respectively are

    A)  \[Si{{O}_{2}}\]and \[Si\]

    B)  \[{{H}_{4}}Si{{O}_{4}}\] and \[Si{{O}_{2}}\]

    C)  \[{{H}_{2}}SiC{{l}_{6}}\]and \[Si{{O}_{2}}\]

    D)  \[{{H}_{4}}Si{{O}_{4}}\]and \[Si\]

    Correct Answer: B

    Solution :

                     \[\underset{\begin{smallmatrix}  sillicon \\  tetrachloride \end{smallmatrix}}{\mathop{SiC{{l}_{4}}}}\,+{{H}_{2}}O\to \underset{\begin{smallmatrix}  silicic \\  (X) \end{smallmatrix}}{\mathop{Si{{(OH)}_{4}}}}\,\xrightarrow[-2{{H}_{2}}O]{1000\,{{\,}^{o}}C}\underset{(Y)}{\mathop{Si{{O}_{2}}}}\,\]


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