12th Class Chemistry The Solid State / ठोस प्रावस्था

  • question_answer 71)
    The total number of tetrahedral voids in the face centred unit cell is (a),6             (b)8             (c)10            (d)12                 

    Answer:

                      (b) Fee unit cell contains 8 tetrahedral voids at center of each 8 smaller cube of an unit cell    p as shown below Number of atoms in fee unit cell = 4 Number of octahedral voids = 4            Number of tetrahedral voids = 8


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