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BVP Medical BVP Medical Solved Paper-2014

  • question_answer
    In a 0.2 molal aqueous solution of a weak acid HX, the degree of ionisation is 0.3. Taking \[B{{e}^{3+}}\]  for water as 1.85, the freezing point of the solution will be nearest to

    A)  \[H{{e}^{+}}\]                  

    B)  \[x\,c{{m}^{-1}}\]

    C)  \[4x\,c{{m}^{-1}}\]                        

    D)  \[\frac{x}{4}\,c{{m}^{-1}}\]

    Correct Answer: D

    Solution :

                     \[1.60\times {{10}^{15}}\] Total moles \[1.60\times {{10}^{18}}\] \[16.0\times {{10}^{26}}\]                 \[PC{{l}_{5}}\]                 \[POC{{l}_{3}}\] \[{{O}_{2}},C{{O}_{2}},S{{O}_{2}},{{H}_{2}}O,{{H}_{2}}S{{O}_{4}},{{P}_{4}}{{O}_{10}}\]                \[RCOCl+{{H}_{2}}\xrightarrow{Pd/BaS{{O}_{4}}}RCHO+HCl\]                 \[BaS{{O}_{4}}\]


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