Arsenide chlorides or chloride arsenides are compounds containing anions composed of chloride (Cl<sup>âÂÂ</sup>) and arsenide (As<sup>3âÂÂ</sup>). They can be considered as mixed anion compounds. They are in the category of pnictidehalides. Related compounds include the arsenide bromides, arsenide iodides, phosphide chlorides, and antimonide chlorides.