Phosphorus chloride reacting with water

Phosphorus chloride reacting with water

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Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: Phosphorus (III) chloride reacting with water. Chemical reaction between phosphorus (III) chloride (or phosphorus trichloride, PCl3) and water. With excess water, the violent reaction gives off fumes of hydrochloric acid (HCl) and phosphorous acid (H3PO3). The equation for this reaction is: PCl3 + 3H20 ----> 3HCl + H3PO3 Phosphorus (III) chloride is used in the chemical industry as a raw material in the manufacture of organophosphorus pesticides and other compounds, and as a chlorinating agent. It is a precursor chemical for the manufacture of some nerve agents, such as sarin.

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Keywords: beaker, chemical, chemical reaction, chemistry, experiment, fumes, fuming, phosphorus (iii) chloride, reacting, reaction, spatula, trichloride, vapour, water

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