Ions of `NaCl` which are touched by `1` body diagonal are

Options

A. `Cl^(-)` ions present at the corner of cube
B. `Cl^(o+)` ions present at the face center of cube
C. `Na^(o+)` ions present at the edge center of cube
D. `Na^(o+)` present at body center of cube

Explanation

On a body diagonal, two corner `Cl^(o+)` ions and one `Na^(o+)` ion in OV (at body center) are present.