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4. Finish the following reactions: Br2 KMnO4 KMnO4
Question 4 picture is with H3PO4 question 8 picture is with Br2 4) (4) You should notice that phosphoric acid acts as a catalyst for this transformation. Explain in thermodynamic terms how a catalyst often functions to influence the kinetics of a reaction. HO НЗРО4 Но heat Cyclohexanol Cyclohexene Water bp = 160°C bp = 83°C bp = 100°C 41 8) (4) Discuss the results of your bromine test and indicate what it suggest about the outcome of your reaction....
4) Given the thermochemical equations: (3 points) Br2(l) + F2(g) → 2BrF(g) Br2(1) + 3F2(g) → 2BrF3(g) AH°= -188 kJ/mol AH°= -768 KJ/mol Calculate the AH°rxn for the reaction BrF(g) + F2(g) → BrF3(9)
DRAW THE MAJOR ORGANIC PRODUCTS FOR EACH OF THE FOLLOWING REACTIONS d. (4 pts) Br2, FeBr3 AICI3 e) (4 pts) Zn/Hg HC AICI3 f) (4 pts) Br2 HNO H2SO4 FeBr3 5
j 4. Give the complete mechanism for the following reaction: Br2/H20
4. Propose a mechanism for the following reaction. Br Br2 ОН 7
Examples Br2 CCI4 Br2 CCI4
Predict the MAJOR product for the following reactions. (3 pts each) Br2, hv Br2, hv Br2, hv Br2, hv
Predict the MAJOR product for the following reactions. (3 pts each) Br2, hv Br2, hv Br2, hv Br2, hy
4. Predict the major product of the following reactions. OCH3 excess NaOH excess Br2 a) 1.excess NaOH TBSO excess Br2 2. H30+, dilute, cold 3. SOCl2, py 4. H2N -OCH3 Н3СО Г OY 1. Br2, OH 2. NaSCH2CH3 LIN = LDA, THF, -78°C 1. le 2. To 3. 03 4. H2O2, NaOH, H20 OH, DCC