Solid StateHard

Question

Ammonium chloride crystallizes in a body-centred cubic lattice with edge length of unit cell equal to 387 pm. If the radius of Cl- ion is 181 pm, the radius of NH4+ ion would be approximately-

Options

A.116 pm
B.154 pm
C.174 pm
D.206 pm

Solution

In bcc,
2(rNH4+ + rCl-) = √3a

Create a free account to view solution

View Solution Free
Topic: Solid State·Practice all Solid State questions

More Solid State Questions

Which of the following is/are correct ?...If the anions (A) form hexagonal closest packing and cations (C) occupy only 2/3 octahedral voids in it, then the genera...Correct statement for ccp is :...Frenkel defect is observed in...A molecule A2B (Mw = 166.4) occupies triclinic lattice with a = 5, b = 8, and c = 4 .If the density of AB2 is 5.2 g cm-3...