Reaction of phenol with excess bromine in the presence of
catalyst yields:
A. 2,4,6 - tribromophenol
B. 2-bromophenol
C. 2,4-dibromophenol
D. 3-bromophenol
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Reaction of phenol with excess bromine in the presence of catalyst yields: A. 2,4,6 - tribromophenol...
1. Draw structural formulas for these compounds. [A] 2,4-dichlorophenol [B] 2,4,6-trinitrotoluene 2. The reaction of bromine with toluene gives a mixture of 3 products, all with the molecular formula C7H7Br. Name and draw a structural formula for 2 of the products.
Reaction of 2-methylpropene with CH3OH in the presence of H2SO4 catalyst yields 2-methoxy-2-methylpropane by a mechanism analogous to that of acid-catalyzed alkene hydration. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. Arrow-pushing Instructions nnex CH3OH OCH — CHJØte er
(c) Phenol (C6H5OH) and 2,4,6-trichlorophenol (C6H2C13OH) are both weak acids with pKa values of 9.89 and 6.21, respectively, at 298.15 K. (i) Write down the dissociation reaction and corresponding expression for the equilibrium constant for 2,4,6-trichlorophenol. What is the conjugate base of this acid? (3 marks)
QUESTION 1 The reaction of butanoic acid with bromine in the presence of phosphorus tribromide followed by addition of water yields which product? 2,3-dibromobutanoic acid 3-chlorobutanoic acid C2-bromobutanoic acid C 2-chlorobutanoic acid QUESTION 2 What is the relationship between keto and enol tautomers? Cresonance forms stereoisomers constitutional isomers different conformations of the same compound QUESTION 3 The reaction of cyclohexanone with LDA followed by allylbromide gives which product? C2-allylcyclohexanone C1-allylcyclohexanol C3-allylcyclohexanone C2-lithium diisopropylamidecyclohexanone
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Cis-2-pentene undergoes a halogenation reaction in the presence of diatomic bromine. What is the product of this reaction? A.) cis-2,3-dibromopentene B.) 2,3-dibromopentane C.) cis-2,2-dibromopentane D.) 2,2-dibromopentane
Show the mechanism for the following reaction conducted at ?5 ?C in CCl4: cyclohexene bromine yields a dibromocyclohexane Draw structures ? including charges and electrons ? and add curved arrows. Details count. Show the mechanism for the following reaction conducted at - 5 degree C in CCl4: cyclohexene bromine yields a dibromocyclohexane Draw structures ? including charges and electrons ? and add curved arrows. Details count.
43) The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O: 4 NH3 (g)+702 (g) 4 NO2 (g)+6 H20 (g) The combustion of 14.4 g of ammonia consumes O541-80f oxygen A) 13.5 B) 47 D) 28.8 E) 94.6 6
Question 6 3 pts U Which equation indicates the presence of a catalyst in the reaction? A+B-D4B O A AD OAB+C OA+B-C+D Question 7 3 pts The ionization of benzoic acid is represented by this equation C.H.COOH) H(aq) + C.H.COO"(aa) If 20.045 M solution of benzoic acid has an (H+)-1.7 x 10-2 what is the Kof benzoic acid? 0 77x10-5 22x10-2 O 82104 5.410 Question 8 3 pts - - - - - - CN 13 + H2N = =...
will not precipitate in the presence of limited (or excess) base or ammonia. Therefore, KOH is not amphoteric and does not form an ammonia complex. Prelab forms a precipitate in the presence of limited NaOH and ammonia. This precipitate n the presence of excess ammonia but NOT in the presence of excess NaOH a. Is Cd'2 amphoteric and/or does it form an ammonia complex? b. Write the equation for the reaction of Cd (aq) with limited OH c. Write the...