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

How can phosphorus pentachloride (PCl 5 ) also be prepared?

Options

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

Correct answer

A. By heating white phosphorus with sulfur dioxide and chlorine

Step-by-step solution

The paragraph provides an alternative method for preparing phosphorus pentachloride, which is by the action of SO 2 Cl 2 on phosphorus, which involves heating white phosphorus with sulfur dioxide and chlorine.

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