Halogen Derivatives Questions

Organic Chemistry

Halogen Derivatives Solutions

Which is true of the reaction? (A) The reaction proceeds by an E2 mechanism, and the reaction rate is first order in both alkyl bromide (B) The reaction proceeds by an E2 mechanism, and the reaction rate is first order in alkyl bromide con ethanol concentration. (C) The reaction proceeds by an E1 mechanism, and the reaction rate is first order in both alkyl brom (D) The reaction proceeds by an E1 mechanism, and the reaction rate is first order in alkyl bromide ethanol concentration.

Organic Chemistry

Halogen Derivatives Solutions

Br NaOCH2CH3 HOCH2CH3 Figure 9.11. Reaction of 1-bromo-2-methylpropane with sodium ethoxide in ethanol. Q9.39 - Level 1 - Unanswered • 1 attempt left Classify the electron donating group as one of the following A Weak base - Poor nucleophile B Weak base - Good nucleophile C Strong base - Good nucleophile D Strong base - Poor nucleophile -

Organic Chemistry

Halogen Derivatives Solutions

Br NaOC(CH3)3 (CH3)3COH Figure 9.10. Reaction of 1-bromopropane with sodium tert-butoxide in tert-butyl alcohol 09.36 - Level 1 Unanswered • 1 attempt left Classify the electron donating group as one of the following A Weak base - Poor nucleophile B Weak base - Good nucleophile C Strong base - Good nucleophile D Strong base - Poor nucleophile

Organic Chemistry

Halogen Derivatives Solutions

Q9.26 - Level 2 - Unanswered • attempt left When (1R,2R,4S)-2-bromo-4-isopropyl-1- methylcyclohexane is reacted with sodium ethoxide only one product forms. Which alkene is it? (Chair conformations provided as a guide.) A Product 1) B Product 2) CH3 H H H H CH3 :) H H Br H H H H Br - Śs CH3 CH3 CH3 Br NaOCH2CH3 HOCH2CH3 H3C CH3 H3C CH3 H3C CH3 1) 2)

Organic Chemistry

Halogen Derivatives Solutions

ocps.instructur Math MathXL for School Homework and Tests p03 - s02 > Quizzes > Naming Compounds and Writing Formulas (CF. Naming Compounds and Writing Formulas ( Started: Apr 26 at 4:22pm Quiz Instructions Question 6 What is the name of the compound TiBr4?

Organic Chemistry

Halogen Derivatives Solutions

Predict the product and provide a complete mechanism for the following overall transformation lo excess NH3 Br Please be sure to include all intermediates, resonance forms, curved arrows, lone pairs, and formal charges as appropriate

Organic Chemistry

Halogen Derivatives Solutions

Question 6 Select a statement, which best descries the racemization of a chiral center below. + 100% 50% 50% O It can only occur under basic conditions It can only occur under acidic conditions It can occur under both basic and acidic conditions None of the above

Organic Chemistry

Halogen Derivatives Solutions

Which reaction would yield a meso product? (A) H2O, H (B) Br2 CCL (C) HCI (D) Br HKOH Identify possible product(s) of dehydrohalogenation of trans-1-bromo-2- methylcyclohexane. (A) H CH Pt CH only (B) CH CH; + C (C) CH; only (D) CH CH

Organic Chemistry

Halogen Derivatives Solutions

Q7.5 - Level 3 Unanswered • 1 attempt left When (2S,4R)]-2-bromo-4-chloropentane is reacted with excess NaCN, both the bromine and chlorine atoms are substituted. What is the A Compound A) B Compound B) C Compound C) CH3 CH3 NC H NC H H H H H CH3 H H CN NC H H Br excess NaCN A) CH3 B) CH3 H H ethanol CH3 H CI H CN I I H H CH3 (2S,4R)-2-bromo-4- chloropentane NC H C) CH3

Organic Chemistry

Halogen Derivatives Solutions

c. Problem Predict the reaction major product of the following Bre Hos ? SH SH SH Br (H) ROCCO Br Br @ (6) (L) TI KUGLE ot racemic raumil racemic D. solution to problem The correct ansuler is (d). This a halohy drin Formation where molecular Bromine (Br2) and Kroker will result in in on out and Br addition across the formation. The st group is expected to be added of the more substituted carton, while Br is to be added at the less substituted carbon. Khan that occurs, tikio additional chinel centers will now be present.

Organic Chemistry

Halogen Derivatives Solutions

Alcohol Halogenation - 1 For this assignment, the target compound that you should synthesize is chloro-cyclohexane. This is a substitution reaction a List the starting materials, solvent, reagent, and products formed: cyclohexanol, Hydrochloric acid, diethyl ether, Chlorocyclohexane, H2O Is this a substitution or an elimination reaction? Substitution reaction What is the leaving group in this reaction? H2O What is the nucleophile in this reaction?

Organic Chemistry

Halogen Derivatives Solutions

12. Consider the following reaction CH3 H3C-C-CH2CH3 1 + H2O CH3 H3C-C-CH2CH3 OH2 + 1 What happens to the reaction rate in each of the following instances? (10 points) i) The leaving group is changed from I to Cl- ii) The solvent is changed from water to Acetone iii) The alkyl halide is changed from (CH3)2C(1)CH2CH3 to (CH3)2CHCH(I)CH3- iv) The concentration of water is increased by a factor of four v) The concentrations of both the alkyl halide and water are increased by a factor of four.