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100 mL of phosphorus pentachloride is totally decomposed to its trichloride at 1 atm and 546^(@)C. How many molecules of chlorine are formed? |
Answer» <html><body><p></p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/decomposition-946042" style="font-weight:bold;" target="_blank" title="Click to know more about DECOMPOSITION">DECOMPOSITION</a> of phosphorus pentachloride is given as <br/> `PCl_(5)rarrPCl_(3)+Cl_(2)` <br/> `"1 mole of "PCl_(5)="1 mole of"Cl_(2)` <br/> `"1 vol of "PCl_(5)="1 vol <a href="https://interviewquestions.tuteehub.com/tag/fo-457881" style="font-weight:bold;" target="_blank" title="Click to know more about FO">FO</a> Cl"_(2)` <br/> `"100 mL of "PCl_(5)="100 mL of "Cl_(2)` <br/> `{:("Given conditions","STP conditions"),(P_(1)="1 atm",P_(2)="1 atm"),(T_(1)="819 K",T_(2)="<a href="https://interviewquestions.tuteehub.com/tag/273-1832932" style="font-weight:bold;" target="_blank" title="Click to know more about 273">273</a> K"),(V_(1)="100 mL",V_(2)=?):}` <br/> The <a href="https://interviewquestions.tuteehub.com/tag/volue-3265040" style="font-weight:bold;" target="_blank" title="Click to know more about VOLUE">VOLUE</a> of `Cl_(2)` <a href="https://interviewquestions.tuteehub.com/tag/measured-7257656" style="font-weight:bold;" target="_blank" title="Click to know more about MEASURED">MEASURED</a> at STP <br/> `V_(2)=(P_(1)V_(1))/(T_(1))xx(T_(2))/(P_(2))=(1xx100xx273)/(819xx1)="33.33mL"` <br/> `"22400 mL of "Cl_(2)" at STP"=` <br/> `6.022xx10^(23)" molecules"` <br/> `"33.33 mL of "Cl_(2)" at STP"=?` <br/> Number of molecules of chlorine obtained `=(33.33)/(22400)xx6.022xx10^(23)=8.96xx10^(20)`</body></html> | |