What is the formula for phosphorous trichloride? Chemistry Covalent Bonds Covalent Formulas and Nomenclature 1 Answer anor277 May 8, 2017 #PCl_3# Explanation: #"Phosphorus trichloride"# is a colourless, volatile liquid, with a normal boiling point of #76# #"^@C#. It react with violently with water, and is a staple precursor in organophosphorus chemistry. Answer link Related questions What is the chemical formula for sugar? What chemical formula represents a carbohydrate? What is the chemical formula for gold? What is the chemical formula for a diamond? How do you find formulas for covalent compounds? What are common mistakes students make with empirical forumlas? What are empirical formulas? What are some examples of empirical formulas? When naming a covalently-bonded molecule, how would you write the prefix if you had four atoms... What is the chemical nomenclature for CH3Cl? See all questions in Covalent Formulas and Nomenclature Impact of this question 3079 views around the world You can reuse this answer Creative Commons License