Solid StateHard
Question
Element X crystllizes in a 12 co-ordination of fcc lattice. On applying high temperature it changes to 8 co-ordination bcc lattice. If r is the radius of atom X, then :
Options
A.Edge length of unit cell in 12 co-ordination lattice is 2√2 r
B.Edge length of unit cell in 8 co-ordination lattice is 
C.Ratio of densities before and after applying high temperature is 2(√2)3 ; (√3)3
D.All of these
More Solid State Questions
Schottky defect appears in...Given an alloy of Cu, Ag and Au in which Cu atoms constitute the CCP arrangement.If the hypothetical formula of the allo...Which of the following is a ferromagnetic substance?...Which of the following is/are correct ?...The radius of Ag+ ion is 126 pm while of I− ion is 216 pm. The coordination number of Ag in AgI is...