Homework Answers
Answer:
Question 1
Iodide is very good nucleophiles
Acetone molecules are polar aprotic because of the positive and negative charges formed by their carbonyl group
React Via Sn2 Mechnesium.
Potassium K+ cation is sometimes called spectator ion
Question 2
Nitrate is a (c.) very poor nucleophile
ethanol is (b.) polar Molecule
silver ion will coordinate very efficiently with any free halide and form a precipitate, promoting the ionization of halohydrocarbons and formation of (b.) carbocations
Thus, the AgNO3/ethanol reagent favors reactivity by the (a.) SN1
I
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Nitrate is a
a. very good electrophile
b. very poor electrophile
c. very poor nucleophile
d....
In this exercise, you will use two reagent mixtures to test a variety of organic halides....
In this exercise, you will use two reagent mixtures to test a variety of organic halides. The distinct differences in the factors affecting the SN2 and SN1 mechanisms make it possible to determine which mechanism is favored by a given compound. One reagent and solvent favors SN2 reactivity, the other SN1 reactivity. From the results of your tests, you will determine which mechanism, if either, is favored by a given compound. In your post-lab assignment, you will be required to...
.Write a chemical equation for 2-bromobutane with silver nitrate in ethanol. Identify the electrophile, nucleophile, pre...
.Write a chemical equation for 2-bromobutane with silver nitrate in ethanol. Identify the electrophile, nucleophile, precipitate and solvent. Is this a solvolysis reaction? Is the nucleophile strong or weak? Is the solvent polar protic or polar aprotic? What type of substitution reaction is favored under these conditions: SN1 or SN2?
We begin with the surmise that the nucleophilic substitution reactions can occur only by one of...
We begin with the surmise that the nucleophilic substitution reactions can occur only by one of two mechanisms: Sn1 solvolysis: three-step mechanism R-X slow, R® + to R® + ROH fast , ROM R' H. R-O + R'OH fast , ROR' + R- SN2: one-step mechanism R-X + Nuc slow, Nuc-R + x Begin by answering the three questions below. If you don't understand what's up, please ask! 1. Write out the rate law for the above Sn1 reaction and...
need help with question 8 9 10 Part B. Silver Nitrate in Ethanol (Sul mechanisms) 7....
need help with question 8 9 10
Part B. Silver Nitrate in Ethanol (Sul mechanisms) 7. Write an Spi mechanism with curved arrows for the general reaction. Make sure you draw out the bond-line structures to show mechanism. (CH),CCI + CH3CH2OH (CH3),OC,Hs + HCI - Stor-) CH3 CH2 - HEc6+ HC ct cus CHO-H HC - c-o-qus - HCl + H₂4-1 s church 8. a) What is the formula of the precipitate that indicates a reaction has taken place? He...
can question A2 part a and b be answered and labeled please. information has been provided....
can question A2 part a and b be answered and labeled please.
information has been provided.
NUCLEOPHILIC SUBSTITUTION A. Structural Effects on S, 1 and S 2 Reactivity Al. In the following table, record the results of your group's experiments with the five alkyl halides and the two reagents, sodium iodide in acetone and alcoholic silver nitrate. Note the elapsed time required for turbidity to appear and for a precipitate to form. I you heated any of the test tubes,...
Draw the strcture of all substrates you will be using in this reaction and classify them...
Draw the strcture of all substrates you will be using in this
reaction and classify them as( primary, Secondary, and tertiary)
aryl bezylic or some combination of these (such as primary
bezylic). Identify the nucleophile, substrate, and leaving group in
general equations for reactions 1 and 2
ORRAS sminilah you dimensions (R) or (S), and show their stereochemistry clearly. If your instructor reguests, obtain another set of atoms and connectors and use it to prepare isomers as well. R eal...
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...
In our experiment we will use three different substrates: 1°, n-butyl chloride; 2°, sec-butyl chloride; and...
In our experiment we will use three different substrates: 1°,
n-butyl chloride; 2°, sec-butyl chloride; and 3°, tert- butyl
chloride, and we will evaluate their reactivity and the rate of the
reaction in an SN1 reaction. We will use an acid-base indicator to
monitor the completion of the reaction and a salt, silver nitrate,
to obtain a precipitate. The success of the reaction is evidenced
by the change in color of the indicator (from orange to red) due to
the...
please help me answer those three questions according to the oother pictures į CH, CH3 1....
please help me answer those three questions according to the
oother pictures
į CH, CH3 1. NaOMe in MeOH / EtOH, reflux 2. Ethyl lodide, reflux N bolo OH Acetaminophen phenacetini erot!) DAN Procedure: Measure and dispense 0.6 ml of a 4.4 M solution of sodium methoxide in methanol and im of ethanol into a 5 mL reaction vial. Add 215 mmol of acetaminophen (-0.378 8). Set up for reflux in the Tume hood and bring reaction to reflux for...
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which...
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which of these molecules is not an electrophile? a) CH4 b) CH3+ c) H* d) BF3 2. Which of these molecules is not a nucleophile ? a) NH3 b) OH c) CN d) H* 3. Water behaves as: a) a nucleophile b) an electrophile c) both d) neither 4. The SN2 reaction has how many steps? a) 1 b) 2 c) 3 d) 4 5....
We begin with the surmise that the nucleophilic substitution reactions can occur only by one of two mechanisms: Sn1 solvolysis: three-step mechanism R-X slow, R® + to R® + ROH fast , ROM R' H. R-O + R'OH fast , ROR' + R- SN2: one-step mechanism R-X + Nuc slow, Nuc-R + x Begin by answering the three questions below. If you don't understand what's up, please ask! 1. Write out the rate law for the above Sn1 reaction and...
need help with question 8 9 10
Part B. Silver Nitrate in Ethanol (Sul mechanisms) 7. Write an Spi mechanism with curved arrows for the general reaction. Make sure you draw out the bond-line structures to show mechanism. (CH),CCI + CH3CH2OH (CH3),OC,Hs + HCI - Stor-) CH3 CH2 - HEc6+ HC ct cus CHO-H HC - c-o-qus - HCl + H₂4-1 s church 8. a) What is the formula of the precipitate that indicates a reaction has taken place? He...
can question A2 part a and b be answered and labeled please.
information has been provided.
NUCLEOPHILIC SUBSTITUTION A. Structural Effects on S, 1 and S 2 Reactivity Al. In the following table, record the results of your group's experiments with the five alkyl halides and the two reagents, sodium iodide in acetone and alcoholic silver nitrate. Note the elapsed time required for turbidity to appear and for a precipitate to form. I you heated any of the test tubes,...
Draw the strcture of all substrates you will be using in this
reaction and classify them as( primary, Secondary, and tertiary)
aryl bezylic or some combination of these (such as primary
bezylic). Identify the nucleophile, substrate, and leaving group in
general equations for reactions 1 and 2
ORRAS sminilah you dimensions (R) or (S), and show their stereochemistry clearly. If your instructor reguests, obtain another set of atoms and connectors and use it to prepare isomers as well. R eal...
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...
In our experiment we will use three different substrates: 1°,
n-butyl chloride; 2°, sec-butyl chloride; and 3°, tert- butyl
chloride, and we will evaluate their reactivity and the rate of the
reaction in an SN1 reaction. We will use an acid-base indicator to
monitor the completion of the reaction and a salt, silver nitrate,
to obtain a precipitate. The success of the reaction is evidenced
by the change in color of the indicator (from orange to red) due to
the...
please help me answer those three questions according to the
oother pictures
į CH, CH3 1. NaOMe in MeOH / EtOH, reflux 2. Ethyl lodide, reflux N bolo OH Acetaminophen phenacetini erot!) DAN Procedure: Measure and dispense 0.6 ml of a 4.4 M solution of sodium methoxide in methanol and im of ethanol into a 5 mL reaction vial. Add 215 mmol of acetaminophen (-0.378 8). Set up for reflux in the Tume hood and bring reaction to reflux for...
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which of these molecules is not an electrophile? a) CH4 b) CH3+ c) H* d) BF3 2. Which of these molecules is not a nucleophile ? a) NH3 b) OH c) CN d) H* 3. Water behaves as: a) a nucleophile b) an electrophile c) both d) neither 4. The SN2 reaction has how many steps? a) 1 b) 2 c) 3 d) 4 5....
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