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AIIMS AIIMS Solved Paper-2004

  • question_answer
    For decolourisation of 1 mole of \[log{{[{{N}_{2}}{{O}_{5}}]}_{t}}={{[{{N}_{2}}{{O}_{5}}]}_{0}}+kt\] the moles of \[\frac{{{[{{N}_{2}}{{O}_{5}}]}_{0}}}{{{[{{N}_{2}}{{O}_{5}}]}_{t}}}=kt\] required is:

    A) \[C{{F}_{2}}C{{l}_{2}}\]                 

    B)                                        \[{{C}_{7}}{{F}_{16}}\]

    C) \[{{C}_{6}}{{H}_{6}}C{{l}_{6}}\]                 

    D)        \[{{C}_{6}}{{F}_{6}}\]

    Correct Answer: C

    Solution :

    \[-37.4kJ\]reduces acidified \[-35.5\text{ }kJ\] to colourless  \[-20.0\text{ }kJ\]. \[{{H}_{2}}O(l)\rightleftharpoons {{H}_{2}}O(g)\]     2mol of \[(\Delta {{G}^{o}}=0)\]oxidies 5 mol of \[(\Delta G<0)\] \[(\Delta {{G}^{o}}<0)\]1 mol of \[(\Delta {{G}^{o}}>0)\] will oxidise \[a=0.387,b=0.387\] mol of \[c=0.504\text{ }nm\].


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