IIT-JEE Exam

The complex showing a spin-only magnetic moment of 2.82 B.M. is

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IIT-JEE Other Question

The packing efficiency of the two-dimensional square unit cell shown below
is
(A) 39.27% (B) 68.02%
(C) 74.05% (D) 78.54%. Silver (atomic weight = 108 g mol–1) has a density of 10.5 g cm–3. The number of silver atoms on a surface
of area 10–12 m2 can be expressed in scientific notation as y×10x . The value of x is