MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistrySolid statePrevious Year Questions
Number of unit cells in 4 g of X (atomic mass = 40) which crystallises in bcc pattern is (NA = Avogadro's number) (OJEE 2010) (a) A 0.1N (c) A 2 0.1N x (b) A 0.1N (d) A N x
Answer
C
Explanation
Number of atoms = Number of moles A N x As, 2 atoms form 1 unit cell in bcc crystal A 0.1 N x atoms will form A 0.1 N 2 x unit cell
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