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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

What is the Action of Concentrated Sulphuric Acid on Phosphorous Pentachloride

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प्रश्न

What is the action of concentrated sulphuric acid on phosphorous pentachloride

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उत्तर

Concentrated sulphuric acid reacts with PCl5 to form chlorosulphuric acid.

`HOSO_2OH  +  PCl_5  -> ClSO_2OH + POCl_3 +HCl`

Sulphuric acid  Phosphorus     Chlorosulphuric acid

                       pentachloride

Chlorosulphuric acid further reacts with PCl5 to form sulphuryl chloride.

`ClSO_2OH  + PCl_5 -> ClSO_2Cl + POCl_3 + HCL`

Chlorosulphuric Phosphorus     Sulphuryl
      acid            pentachloride    chloride

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2016-2017 (July)

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