When a piece of solid phosphorus is added to a flask containing chlorine gas, heat is evolved?

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asked Jun 22, 2019 164k views

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JakeTheSnake · Answer 1 · 2019-06-29T05:42:52+0000

White phosphorus burns spontaneously in chlorine to produce a mixture of two chlorides, phosphorus (ii) chloride and phosphorus(v) chloride and heat is evolved. Phosphorus (iii) chloride is a colorless fuming liquid:
P4 + 6Cl2 = 4PCl3
Phosphorus (v) chloride is an off-white solid
P4 +10Cl2 = 4PCl5

When a piece of solid phosphorus is added to a flask containing chlorine gas, heat is evolved?

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