A metal hydride crystallizes in a face-centered cubic lattice with hydrogen atoms occupying tetrahedral voids. If the edge length of the unit cell is 'a', what is the distance between two nearest hydrogen atoms?
a/2
a/√2
a/4
√3a/4
Related Questions
Among CaH2,NH3,NaH and B2H6,{\rm{Ca}}{{\rm{H}}_2},{\rm{N}}{{\rm{H}}_3},{\rm{NaH }}\;{\rm{and}}\;{{\rm{B}}_2}{{\rm{H}}_6},CaH2,NH3,NaHandB2H6, which are covalent hydride?
NH3 and B2H6{\rm{N}}{{\rm{H}}_3}\;{\rm{and}}\;{{\rm{B}}_2}{{\rm{H}}_6}NH3andB2H6
NaH and CaH2{\rm{NaH}}\;{\rm{ and }}\;{\rm{Ca}}{{\rm{H}}_2}NaHandCaH2
NaH and NH3{\rm{NaH }}\;{\rm{and }}\;{\rm{N}}{{\rm{H}}_3}NaHandNH3
CaH2 and B2H6{\rm{Ca}}{{\rm{H}}_2}\;{\rm{and}}\;{{\rm{B}}_2}{{\rm{H}}_6}CaH2andB2H6
