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NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

How is phosphorus pentachloride (PCl 5 ) prepared?

Options

  1. ABy reacting white phosphorus with dry chlorine
  2. BBy heating red phosphorus with sulfur dioxide and chlorine
  3. CBy subliming phosphorus pentoxide
  4. DBy dissolving phosphorus in hydrochloric acid

Correct answer

A. By reacting white phosphorus with dry chlorine

Step-by-step solution

The paragraph explains that phosphorus pentachloride (PCl 5 ) is prepared by the reaction of white phosphorus with excess dry chlorine.

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