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KCET2020Chemistryp Block Elements (Group 15, 16, 17 & 18)

Phosphorus pentachloride

Options

  1. Aon hydrolysis gives an oxo-acid of phosphorus which is tribasic
  2. Bon hydrolysis gives an oxo-acid of phosphorus which is a good reducing agent
  3. CHas all the five equivalent bonds
  4. Dexists as an ionic solid in which cation has octahedral structure and anion has tetrahedral structure

Correct answer

A. on hydrolysis gives an oxo-acid of phosphorus which is tribasic

Step-by-step solution

Phosphorus pentachloride on hydrolysis gives an oxo acid of phosphorus which is tribasic. PCl ₅+4 HOH H ₃ PO ₄+5 HCl Here, phosphoric acid ( H ₃ PO ₄ ) is tribasic.

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