Given,NH3​(g)+3Cl2​(g) NCl3​(g)+3HCl(g) - Filo

Class 11ChemistryThermodynamics and Thermochemistry Thermochemistry Given,{NH}{3}(g)+3 {Cl}{2}(g) {NCl}{3}(g)+3 {HCl}(g) ; - {H}{QuestionMedium

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Given,NH3​(g)+3Cl2​(g)⇌NCl3​(g)+3HCl(g);−ΔH1​N2​(g)+3H2​(g)⇌2NH3​(g); −ΔH2​H2​(g)+Cl2​(g)⇌2HCl(g);ΔH3​The heat of formation of NCl3​(g) in the terms of ΔH1​,ΔH2​ and ΔH3​ is:AΔHf​=−ΔH1​+2ΔH2​​−23​ΔH3​BΔHf​=ΔH1​+2ΔH2​​−23​ΔH3​CΔHf​=ΔH1​−2ΔH2​​−23​ΔH3​DNone of the above

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Updated on: Nov 1, 2022

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NH3​(g)+3Cl2​(g)⇌NCl3​(g)+3HCl(g);−ΔH1​...(i) N2​(g)+3H2​(g)⇌2NH3​(g); −ΔH2​...(ii) H2​(g)+Cl2​(g)⇌2HCl(g) ; ΔH3​...(iii) Heat of formation of NCl3​ is the heat of the reaction of the reaction in which NCl3​ is formed from it's pure components- N2​,Cl2​ . Therefore the Reaction (1/2)N2​+(3/2)Cl2​→NCl3​,ΔHf​(NCl3​) is obtained by- Reaction (i)+ Reaction (ii) /2− (3/2) Reaction (iii) . So, ΔHf​=−ΔH1​+2ΔH2​​−23​ΔH3​ .

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Question Text	Given,<br>NH3(g)+3Cl2(g)⇌NCl3(g)+3HCl(g);−ΔH1\mathrm{NH}_{3}(g)+3 \mathrm{Cl}_{2}(g) \rightleftharpoons \mathrm{NCl}_{3}(g)+3 \mathrm{HCl}(g) ; -\Delta \mathrm{H}_{1}NH3​(g)+3Cl2​(g)⇌NCl3​(g)+3HCl(g);−ΔH1​<br>N2(g)+3H2(g)⇌2NH3(g);\mathrm{N}_{2}(g)+3 \mathrm{H}_{2}(g) \rightleftharpoons 2 \mathrm{NH}_{3}(g) ;N2​(g)+3H2​(g)⇌2NH3​(g); −ΔH2-\Delta \mathrm{H}_{2}−ΔH2​<br>H2(g)+Cl2(g)⇌2HCl(g)\mathrm{H}_{2}(g)+\mathrm{Cl}_{2}(g) \rightleftharpoons 2 \mathrm{HCl}(g)H2​(g)+Cl2​(g)⇌2HCl(g);ΔH3\Delta \mathrm{H}_{3}ΔH3​<br>The heat of formation of NCl3(g)\mathrm{NCl}_{3}(g)NCl3​(g) in the terms of ΔH1,ΔH2\Delta \mathrm{H}_{1}, \Delta \mathrm{H}_{2}ΔH1​,ΔH2​ and ΔH3\Delta \mathrm{H}_{3}ΔH3​ is:
Updated On	Nov 1, 2022
Topic	Thermodynamics and Thermochemistry
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1 Video solution: 18
Upvotes	1878
Avg. Video Duration	6 min

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