Haryana PMT Haryana PMT Solved Paper-2007

  • question_answer
    A when added to ^silica will give B. A and B are

    A)  \[HF,{{H}_{2}}Si{{F}_{4}}\]

    B)  \[HF,{{H}_{2}}Si{{F}_{6}}\]

    C)  \[HCl,{{H}_{2}}SiC{{l}_{6}}\]

    D)  \[HI,{{H}_{2}}Si{{I}_{6}}\]

    Correct Answer: B

    Solution :

                    \[\underset{\begin{smallmatrix}  hydrogen \\  fluoride \end{smallmatrix}}{\mathop{6HF}}\,+\underset{silicon}{\mathop{Si}}\,\xrightarrow{{}}{{H}_{2}}Si{{F}_{6}}+2{{H}_{2}}\]


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