BVP Medical BVP Medical Solved Paper-2015

  • question_answer
    Predict the order of \[(p{{H}_{4}})\] for the following compounds.
    I. \[p{{H}_{1}}>p{{H}_{2}}>>p{{H}_{3}}>p{{H}_{4}}\]       
    II. \[p{{H}_{1}}>p{{H}_{2}}>p{{H}_{3}}>p{{H}_{4}}\]
    III. \[p{{H}_{1}}<p{{H}_{2}}<p{{H}_{3}}>>p{{H}_{4}}\]

    A)  \[p{{H}_{1}}<p{{H}_{2}}<p{{H}_{3}}<p{{H}_{4}}\]

    B)  \[{{P}_{T}}={{x}_{1}}p_{1}^{0}+{{x}_{2}}p_{2}^{0}\]

    C)  \[{{P}_{T}}=(1-{{x}_{2}})p_{1}^{0}+{{x}_{2}}p_{2}^{0}\]

    D)  \[{{P}_{T}}=p_{1}^{0}+(p_{2}^{0}-p_{1}^{0}){{x}_{2}}\]

    Correct Answer: D

    Solution :

                    The value of \[{{\Delta }_{O}}\] for mixed ligands depends on the additive contributions of the ligand strength. Hence, \[C{{N}^{-}}\] has greater ligand strength than \[{{H}_{2}}O\], the strength increases as the number of \[C{{N}^{-}}\] ions increases


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