BVP Medical BVP Medical Solved Paper-2015

  • question_answer
    If the distance between \[NaOH/air\] and \[Al,\] ions in sodium chloride is y pm, the length of the edge of the unit cell is

    A)  2ypm                                   

    B)  y/2pm

    C)  y/4 pm                

    D)   4ypm

    Correct Answer: A

    Solution :

                    \[\xrightarrow[(ii)\,\,{{H}_{2}}O+{{H}^{+}}]{(i)\,\,NaB{{H}_{4}}}\] crystallises in the face centred cubic unit cell Hence,   \[\beta \]                 \[\alpha \]                 \[\alpha \]


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