Potassium dichromatic, blue vitriol, and boric acid all crystal-lize in the

Options

A. cubic ( or regular) system
B. orthorhomic ( or rhombic) system
C. rhombohedral ( or trigonal) system
D. triclinic (or anorthitic) system

Answer

4

Explanation

They are crystallize in the triclinic system `:a!=b!=c` and `alpha!=beta!=gamma!=90^(@)` .Other examples are `CuF_(2)` and `NaHSO_(4)`.