Engineering
Chemistry
Compounds of Halogen Family
Compounds of phosphorus
Question

Among the following the number of compounds than can react with PCl5 to give POCl3 is :

O2, CO2, SO2, H2O, H2SO4, P4O10

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Solution

PCl5 + H2O POCl3 + 2HCl

PCl5 + H2SO POCl3 + H2O + SO2Cl2

6PCl5 + P4O10  10POCl3

PCl5 + SO2  POCl3 + SO2Cl2