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why pcl3 fumes in moisture

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why pcl3 fumes in moisture
  • 1 answers

Dr. Kamlapati Bhatt 8 years, 3 months ago

PCl3 ( Phosphorus trichloride ) gets easily hydrolysed in water or , moisture present in air , forming  HCl gas as per following reaction ,

PCl3     +     3 H2 O  ----------->    H3 PO3   +   3HCl

Thus ,  HCl gas  produced is highly soluble in water .  It forms a mist of droplets of  hydrogen chloride . These  droplets , thereafter    get  mixed with atmospheric vapours to form a mist which appears as white fumes.

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