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Group 15 ElementsP Block elements G15-18

Why does PCl3PCl_{3} fume in moisture?

Expert Answer

PCl3PCl_{3} reacts with moisture to give HClHCl vapours: PCl3+3H2O→H3PO3+3HClPCl_{3} + 3H_{2}O \rightarrow H_{3}PO_{3} + 3HCl.

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