12th Class Chemistry The Solid State / ठोस प्रावस्था

  • question_answer 122)
      Assertion (A) The packing efficiency is maximum for the fee structure. Reason (R) The coordination number is 12 in fee structures.  

    Answer:

                      (b) Assertion and Reason both are correct statements but reason is not the correct explanation of Assertion. Correct reason is that, packing efficiency is maximum for fee structure because it consists of total four atoms per unit cell. Packing efficiency is maximum in fee structure which is equal to 74%.


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