If ‘Z’ is the number of atoms in the unit cell that represents the closest packing sequence — A B C A B C —, the number of tetrahedral voids in the unit cell is equal to
a. Z
b. 2 Z
c. Z/2
d. Z/4
Ans. b
Explanation : Number of tetrahedral voids in the unit cell
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dm-3 sucrose solution at 20 ° C (molar gas constant, R = 8.314 JK -1 mol -1 ; 1 dm-3 = 0.001 m3 ) a. 4870 Pa b. 4.87 Pa c. 0.00487 Pa d. 0.33 Pa Ans. a (17)
