in the reaction below. R SR DƏSn SI YU NH2 HO, HX + NEN What functional-group transformation occurs in this reaction? What is the likely identity of HX? Verify your decision with the table of K. values in the back of your textbool onsider the following thermodynamic data for the reaction shown above. NH2 HO. HX + NEN AH (kJ/mol) 260.1 30.00 -393.5 -386 S (J/mol K) 146.0 191.3 191.5 213.8 166

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter8: Haloalkanes, Halogenation, And Radical Reactions
Section: Chapter Questions
Problem 8.28P
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) HX is used as a reagent in the reaction below.
NH2
Он +
HX
+ NEN
A. What functional-group transformation occurs in this reaction?
B. What is the likely identity of HX? Verify your decision with the table of K. values in the back of your textbook.
Consider the following thermodynamic data for the reaction shown above.
HO.
HX
+ NEN
AH (kJ/mol)
-386
260.1
30.00
393.5
S (J/mol K)
166
146.0
191.3
191.5
213.8
C. Does the reaction absorb or release heat? Justify with a calculation.
D. Based on the reaction equation given above, does entropy increase or decrease in this reaction?
E. Justify your answer to (D) with a calculation. Does your calculation agree with your prediction?
F. Is this reaction thermodynamically favorable at 25 C? Justify with a calculation.
G. Over what temperature range (in K) is the above reaction thermodynamically favorable?
H. Calculate the numerical value of the equilibrium constant at 25 "C for this reaction. Is your K value consistent with
your answer to F? Explain.
Transcribed Image Text:) HX is used as a reagent in the reaction below. NH2 Он + HX + NEN A. What functional-group transformation occurs in this reaction? B. What is the likely identity of HX? Verify your decision with the table of K. values in the back of your textbook. Consider the following thermodynamic data for the reaction shown above. HO. HX + NEN AH (kJ/mol) -386 260.1 30.00 393.5 S (J/mol K) 166 146.0 191.3 191.5 213.8 C. Does the reaction absorb or release heat? Justify with a calculation. D. Based on the reaction equation given above, does entropy increase or decrease in this reaction? E. Justify your answer to (D) with a calculation. Does your calculation agree with your prediction? F. Is this reaction thermodynamically favorable at 25 C? Justify with a calculation. G. Over what temperature range (in K) is the above reaction thermodynamically favorable? H. Calculate the numerical value of the equilibrium constant at 25 "C for this reaction. Is your K value consistent with your answer to F? Explain.
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