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VIT Engineering VIT Engineering Solved Paper-2015

  • question_answer
    \[\text{X C}{{\text{l}}_{\text{2}}}\left( excess \right)+\text{Y C}{{\text{l}}_{\text{2}}}\to \text{X C}{{\text{l}}_{\text{4}}}+Y\downarrow \] \[\text{Y O}\xrightarrow[>{{400}^{\circ }}C]{\Delta }\frac{1}{2}{{O}_{2}}+Y\] Ore  of Y would be,

    A) siderite                

    B) malachite

    C) hornsiiver                           

    D) cinnabar

    Correct Answer: D

    Solution :

    \[{{R}_{i}}=330\Omega \]             \[{{A}_{r}}=\frac{\Delta {{I}_{C}}\times {{R}_{L}}}{\Delta {{I}_{b}}\times {{R}_{i}}}\]Here, HgS is Cinnabar.


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