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MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistrySolid stateCu Ag Au

A metal crystallises into a lattice containing a sequence of layer as AB ABAB....... . What percentage of voids are left in the lattice?

A.72%

B.48%

C.26%✓ Correct

D.32%

Explanation

Co-ordination no. =12 Type of packing = hexagonal Space used = 74% Space left =100 74 26%

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