1. Given the following structures that react by Sn1, which would react fastest and which would...
1. Given the following structures that react by Sn1, which would react fastest and which would react slowest. Give reasoning. 5-bromo-1,3-pentadiene, bromocyclopentane, (R)-2-bromo-2-methylhexane.
2.If bromocyclohexane reacts faster than chlorocyclohexane in an Sn2 reaction, what could be the reason?
3.You wish to substitute the bromine in the following molecules with a nucleophile. Explain whether the given molecule would react by Sn1 or Sn2 mechanism and explain why. 1-methyl-1-bromo-cyclohexane, 1-bromopropane, 2-bromohexane.
4. Why does benzyl bromide react under both Sn1 and Sn2 conditions?
Homework Answers
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1. Given the following structures
that react by Sn1,
which would react fastest and which would...
1. You wish to substitute the bromine in the following molecules with a nucleophile. Explain whether...
1. You wish to substitute the bromine in the following molecules with a nucleophile. Explain whether the given molecule would react by the Sn1 and Sn2 mechanism and explain why. 1-methyl-1-bromo-cyclohexane, 1-bromopropane, 2-bromohexane. 1.Why does benzyl bromide react under both Sn1 conditions and Sn2 conditions? 2.Why is bromobenzene nonreactive under both Sn1 and Sn2 conditions? 5. If bromocyclohexane reacts faster than chlorocyclohexane in an Sn2 reaction, what could be the reason? 11. Account for the rapid rate of ethanolysis of...
1. In both the sodium iodide test and the silver nitrate test, why does 2-bromobutane react faster...
1. In both the sodium iodide
test and the silver nitrate test, why does 2-bromobutane react
faster than 2-chlorobutane?
Bromine is a better leaving group since it is a weaker base than
chlorine is.
2. a. Why does benzyl chloride react under both
SN1 and SN2 conditions?
Benzyl
chloride is a primary alkyl halide, hence reactive under SN2
conditions.
The
primary carbocation formed due to the departure of Cl- is
stabilized by the pi electrons in the benzene ring.
b. Why is...
12) Which of the following substrates react fastest in an Sn2 reaction? A. vinyl bromide B....
12) Which of the following substrates react fastest in an Sn2 reaction? A. vinyl bromide B. cyclohexyl bromide C. phenyl iodide D. 2-bromopropane E. benzyl bromide
which of the following structures will react the fastest in bimolecular nucleophilic reaction? Which of the...
which of the following structures will react the fastest in
bimolecular nucleophilic reaction?
Which of the following structures will react the fastest in bimolecular nucleophilic reaction? Select one: a. lodocyclohexane b. 1-methyl-1-chlorocyclohexane O c. bromocyclohexane O d. Chlorocyclohexane
1. a) Complete the balanced net ionic equation for these nucleophilic substitution reactions. b) State whether e...
1. a) Complete the balanced net ionic equation for these nucleophilic substitution reactions. b) State whether each reaction will occur by Sn1 or Sn2 mechanisms ma + o CH₃ H3C-50 + Y Z-I + CH3OH I Br + H2O 2. Which compound in the following pairs will react fast nd in the following pairs will react faster in an SN2 reaction? Give a reason why. a) 1 bromobutane or 2-bromobutane b) 2-bromo-2-methylpentane or 2-bromo-4-methylpentane? c) 1-chlorohexane or chlorocyclohexane? d) chloromethane...
Which of the following structures will react the fastest in bimolecular nucleophilic reaction? Select one: O...
Which of the following structures will react the fastest in bimolecular nucleophilic reaction? Select one: O a. bromocyclohexane O b. 1-methyl-1-chlorocyclohexane c. lodocyclohexane d. Chlorocyclohexane O
Which is the best SN2 substrate? a.2-chloro-2-methylhexane b.2-chlorohexane c.1-chlorohexane Which substrate will react fastest via an...
Which is the best SN2 substrate? a.2-chloro-2-methylhexane b.2-chlorohexane c.1-chlorohexane Which substrate will react fastest via an SN1 mechanism? a.1-bromo-2-methylcyclohexane b.1-bromo-1-methylcyclohexane c.bromocyclohexane Which of the following is capable of a rearrangement once the leaving group leaves? a.1-bromo-4-methylcyclohexane b.1-bromo-1-methylcyclohexane c.1-bromo-2-methylcyclohexane d.bromocyclohexane
1. why does benzyl bromide react under both Sn1 conditions and Sn2 conditions? 2. To promote...
1. why does benzyl bromide react under both Sn1 conditions and Sn2 conditions? 2. To promote the Sn1 mechanism we used AgNO3 in a polar, protic solvent. True or False? Why?
1.) What is the order of reactivity of the following reagents under SN1 conditions? Under SN2...
1.) What is the order of reactivity of the following reagents under SN1 conditions? Under SN2 conditions? Draw the structures of each using the bond line method and explain your answers. 1-methyl-1-bromocyclohexane, 1-bromopropane, 2-bromohexane 2.) What is the order of reactivity of the following reagents under SN1 conditions? Under SN2 conditions? Explain your answers. CH3CH=CHBr, CH3CH=CHCH2Br, CH3CH2CH2Br 3.) We did not use crotyl chloride in this experiment. However, based on your knowledge of SN1 and SN2 predict the behavior of...
2. In each pair below, which alkyl halide will react more rapidly in SN1 reactions? (20...
2. In each pair below, which alkyl halide will react more rapidly in SN1 reactions? (20 pts) (a) 1-bromobutane or tert-butyl bromide (b) 3-bromo-1-propene or 1-bromopropane
1. In both the sodium iodide
test and the silver nitrate test, why does 2-bromobutane react
faster than 2-chlorobutane?
Bromine is a better leaving group since it is a weaker base than
chlorine is.
2. a. Why does benzyl chloride react under both
SN1 and SN2 conditions?
Benzyl
chloride is a primary alkyl halide, hence reactive under SN2
conditions.
The
primary carbocation formed due to the departure of Cl- is
stabilized by the pi electrons in the benzene ring.
b. Why is...
12) Which of the following substrates react fastest in an Sn2 reaction? A. vinyl bromide B. cyclohexyl bromide C. phenyl iodide D. 2-bromopropane E. benzyl bromide
which of the following structures will react the fastest in
bimolecular nucleophilic reaction?
Which of the following structures will react the fastest in bimolecular nucleophilic reaction? Select one: a. lodocyclohexane b. 1-methyl-1-chlorocyclohexane O c. bromocyclohexane O d. Chlorocyclohexane
1. a) Complete the balanced net ionic equation for these nucleophilic substitution reactions. b) State whether each reaction will occur by Sn1 or Sn2 mechanisms ma + o CH₃ H3C-50 + Y Z-I + CH3OH I Br + H2O 2. Which compound in the following pairs will react fast nd in the following pairs will react faster in an SN2 reaction? Give a reason why. a) 1 bromobutane or 2-bromobutane b) 2-bromo-2-methylpentane or 2-bromo-4-methylpentane? c) 1-chlorohexane or chlorocyclohexane? d) chloromethane...
Which of the following structures will react the fastest in bimolecular nucleophilic reaction? Select one: O a. bromocyclohexane O b. 1-methyl-1-chlorocyclohexane c. lodocyclohexane d. Chlorocyclohexane O
2. In each pair below, which alkyl halide will react more rapidly in SN1 reactions? (20 pts) (a) 1-bromobutane or tert-butyl bromide (b) 3-bromo-1-propene or 1-bromopropane
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