used as an ingredient in paint and lube oils
Frequently Asked Questions
What is called PCl5?
A crystalline substance that is greenish-yellow in colour and has an offensive smell is phosphorus pentachloride. Water breaks it down into heat, hydrochloric acid, and phosphoric acid. A crystalline substance that is greenish-yellow in colour and has an offensive smell is phosphorus pentachloride. Water breaks it down into heat, hydrochloric acid, and phosphoric acid.
What is PCl5 used for?
Phosphorus Pentachloride is a white to pale yellow, crystalline solid with a pungent odor. It is used in the manufacture of other chemicals, in aluminum metallurgy, and in the pharmaceutical industry.
Why PCl5 is formed?
Phosphorous belongs to the second period of the periodic table, hence it does have vacant d orbitals which it can use to expand its octet during bond formation. Hence, in the formation of PC l 5 , Phosphorous uses its five d-orbitals by expanding its the octet to form five bonds with the five respective Chlorine atoms.
Why PCl5 is oxidising or reducing agent?
PCl5 can only act as an oxidizing agent. The highest oxidation state that P can show is +5. In PCl5, phosphorus is in its highest oxidation state (+5). However, it can decrease its oxidation state and act as an oxidizing agent.
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