Answer:
The answer is: C) ph3.
Explanation:
Phosphine (PH3) is a colorless gas at room temperature and very toxic. It is odorless when in a pure state in concentrations of up to 282 mg / m3 (200 ppm). Phosphine is poorly soluble in water, being soluble at 2.5 - 15% v / v in most organic solvents at room temperature.
The answer is: C) ph3.
