11. Rumus kimia forform triMorida berikut ini adalah __ A. FeCl_(2) D. PCl_(3) II. FeCl_(2) C. PCl_(2) B. PCl_(2)

The correct answer is **D. **.Here's why:* **Phosphorus Trichloride** ( ) is the correct chemical formula for phosphorus trichloride. * **Phosphorus** (P) has a valency of 3, meaning it can form three bonds.* **Chlorine** (Cl) has a valency of 1, meaning it can form one bond.Therefore, the formula represents one phosphorus atom bonded to three chlorine atoms.