Organic Chemistry

Which of the following structures have a formal charge on at least one atom?

Which of the following structures have a formal charge on at least one atom?

[html]Which of the following structures have a formal charge on at least one atom?

123lol456   28   1 Reply

Hlh13

You discover that the energy of activation for an SN2 reaction decreases when you change the ...

You discover that the energy of activation for an SN2 reaction decreases when you change the ...

[html]Question 1.Which of the following can be stabilized by polar protic solvents?

▸ Cations

▸ Neutral species

▸ Anions

▸ Both cations and anionsQuestion 2.You discover that the energy of

123lol456   23   1 Reply

Nfernandez1991

Starting with a primary alkyl bromide, which of the choices given results in an overall increase in ...

Starting with a primary alkyl bromide, which of the choices given results in an overall increase in ...

[html]Question 1.Select an appropriate synthetic route of the compound shown starting with 4-methyl-2-pentanol.

123lol456   35   1 Reply

kaitmaw

Which of the following crown ether solvates lithium ions?

Which of the following crown ether solvates lithium ions?

[html]Question 1.What is the correct IUPAC name for the following compound?

123lol456   19   1 Reply

duhello

Place the reagents below in the correct order necessary to accomplish the transformation shown in the box.

Place the reagents below in the correct order necessary to accomplish the transformation shown in the box.

[html]Question 1.Identify the expected major product of the following reaction.

123lol456   54   1 Reply

KP20131

What is the predicted product for the reaction shown?

What is the predicted product for the reaction shown?

[html]Question 1.What is the predicted product(s) for the reaction shown?

123lol456   36   1 Reply

rector

What is the IUPAC name for the compound shown?

What is the IUPAC name for the compound shown?

[html]Question 1.What is the IUPAC name for the compound shown?

123lol456   36   1 Reply

dreamnluv

For the following dehydration, draw the structure of the intermediate carbocation.

For the following dehydration, draw the structure of the intermediate carbocation.

[html]Question 1.For the following dehydration, draw the structure of the intermediate carbocation.

18iq   62   1 Reply

clubber25

Which of the compounds shown is(are) classified as ethers?

Which of the compounds shown is(are) classified as ethers?

[html]Question 1.A compound with a molecular formula C6H14O exhibits the 1H NMR and

18iq   21   1 Reply

ftricey04

Which of the following best describes the leveling effect?

Which of the following best describes the leveling effect?

[html]Which of the following best describes the leveling effect?

▸ the reason that explains why moving down the periodic table results in compounds that are more acidic

▸ the limiting of a compound's acidity or basicity by respective deprotonation

abdallaex   34   1 Reply

9quatroquatro9

Which of the following choices is a diastereomer of the first structure shown?

Which of the following choices is a diastereomer of the first structure shown?

[html]Which of the following choices is a diastereomer of the first structure shown?

abdallaex   35   1 Reply

London

Select the best reagents for the reaction shown.

Select the best reagents for the reaction shown.

[html]Question 1.Select the best reagents for the reaction shown.

abdallaex   26   1 Reply

overlandtrail

Which one of the given compounds is consistent with the IR spectrum shown? SDBS: National Institute ...

Which one of the given compounds is consistent with the IR spectrum shown? SDBS: National Institute ...

[html]Question 1.Which one of the given compounds has a structure consistent with the IR spectrum shown?

abdallaex   29   1 Reply

AdieMichelle

Which illustration shows all of the resonance structures of the sigma complex that is formed when ...

Which illustration shows all of the resonance structures of the sigma complex that is formed when ...

[html]Question 1.What is the mechanism by which benzene reacts with bromine?

▸ Electrophilic aromatic substitution

▸ Aromatic nucleophilic substitution

▸ Unimolecular nucleophilic addition

▸ Electrophilic aromatic addition

abdallaex   51   1 Reply

mkql12

Predict the structure of the product for the reaction shown.

Predict the structure of the product for the reaction shown.

[html]Question 1.What sequence of reagents could be used to carry out the conversion shown?

abdallaex   27   1 Reply

lizwalker

What is the predicted product of the reaction sequence shown?

What is the predicted product of the reaction sequence shown?

[html]Question 1.What is the predicted product for the reaction sequence shown?

abdallaex   42   1 Reply

JRAD814

Provide a structure for the compound with molecular formula C9H10O and with the following ...

Provide a structure for the compound with molecular formula C9H10O and with the following ...

[html]Question 1.Provide a structure for the compound with molecular formula C5H10O and with the following spectroscopic data.
IR: 1720 c

abdallaex   25   1 Reply

Omfgtimmy

How many hydrogen atoms are connected to the indicated carbon atom?

How many hydrogen atoms are connected to the indicated carbon atom?

[html]How many hydrogen atoms are connected to the indicated carbon atom?

adnan_buljic   28   1 Reply

denitra31

If a sample of carvone gives a specific rotation of 0 and the specific rotation of pure (R)-carvone ...

If a sample of carvone gives a specific rotation of 0 and the specific rotation of pure (R)-carvone ...

[html]If a sample of carvone gives a specific rotation of 0 and the specific rotation of pure (R)-carvone is −61, what is the configuration of the unknown sample?

▸ R

adnan_buljic   29   1 Reply

vlad8919

Which of the compounds shown has the best leaving group?

Which of the compounds shown has the best leaving group?

[html]Question 1.Which of the choices is the strongest nucleophile in a polar protic solvent?

▸ OH-

▸ F-

▸ Cl

adnan_buljic   30   1 Reply

LaceyCGibson

Which of these structures are examples of constitutional isomers of the molecular formula C6H10 that ...

Which of these structures are examples of constitutional isomers of the molecular formula C6H10 that ...

[html]Question 1.Draw all constitutional isomers of the molecular formula C6H10 that are internal alkynes.

adnan_buljic   21   1 Reply

Cow5215

Which one of the following compounds is consistent with the IR spectrum shown? SDBS: National ...

Which one of the following compounds is consistent with the IR spectrum shown? SDBS: National ...

[html]Question 1.Of the choices below, which is not a component of the stepwise synthesis needed to carry out the conversion shown?

adnan_buljic   39   1 Reply

miemitch

Compounds containing chlorine or bromine usually show a strong ________ peak.

Compounds containing chlorine or bromine usually show a strong ________ peak.

[html]Question 1.Provide a molecular formula that is consistent with the given mass spectral data.
 M+•

adnan_buljic   26   1 Reply

zexman911

Which of the statements given is true about the shape (multiplicity) of the signal in a 1H NMR spectrum?

Which of the statements given is true about the shape (multiplicity) of the signal in a 1H NMR spectrum?

[html]Question 1.Which of the statements given is true about the area under each signal in a 1H NMR spectrum?

▸ it indicates the number of neighboring protons

▸ it indicates the el

adnan_buljic   45   1 Reply

jojoliciouz

Which of the following indicated CC bonds is the shortest?

Which of the following indicated CC bonds is the shortest?

[html]Question 1.Identify the reagents necessary to carry out the following transformation.

adnan_buljic   32   1 Reply

toastercat

What is the predicted product for the reaction shown?

What is the predicted product for the reaction shown?

[html]Question 1.What is the predicted product when cyclopentanecarbaldehyde reacts with phenylhydrazine (PhNHNH2) in the presence of an acid catalyst?

adnan_buljic   24   1 Reply

cheesoslimo

Which of the given choices results after three steps of Edman degradation of the heptapeptide ...

Which of the given choices results after three steps of Edman degradation of the heptapeptide ...

[html]Question 1.Which of the given peptides results after a single Edman degradation of the tetrapeptide Gly-Phe-Tyr-Ser?

▸ Tyr-Ser

▸ Gly-Phe-Tyr

▸ Phe-Tyr-Ser

▸ Gly-Phe

▸ SerQuestion 2.

adnan_buljic   24   1 Reply

Aldrich E

Which of the following structures have a 1+ formal charge on the sulfur atom?

Which of the following structures have a 1+ formal charge on the sulfur atom?

[html]Which of the following structures have a 1+ formal charge on the sulfur atom?

adotey   28   1 Reply

bamboofactor

Which of the following is the least electronegative element?

Which of the following is the least electronegative element?

Which of the following is the least electronegative element?

▸ N

▸ F

▸ B

▸ O

▸ C

adotey   30   1 Reply

Hlh13

Which of the following is the correct condensed structure for the following compound?

Which of the following is the correct condensed structure for the following compound?

[html]Which of the following is the correct condensed structure for the following compound?

adotey   21   1 Reply

whtsi_ep3

Which of the following is a Newman projection of an eclipsed conformation for ethane?

Which of the following is a Newman projection of an eclipsed conformation for ethane?

[html]Which of the following is a Newman projection of an eclipsed conformation for ethane?

adotey   16   1 Reply

overlandtrail

Predict the major product(s) of the following reaction.

Predict the major product(s) of the following reaction.

[html]Question 1.Predict the major product(s) of the reaction shown.  

adotey   26   1 Reply

chelz

What reagents are necessary to carry out the conversion shown?

What reagents are necessary to carry out the conversion shown?

[html]Question 1.What is the predicted product of the reaction shown?

adotey   39   1 Reply

moyo966

What is the IUPAC name for the compound shown?

What is the IUPAC name for the compound shown?

[html]Question 1.What is the structure of acetic formic anhydride?

adotey   31   1 Reply

bijin05

What reactants would give the aldol condensation product shown?

What reactants would give the aldol condensation product shown?

[html]Question 1.What is the predicted product of the reaction shown?

adotey   23   1 Reply

lyssa1605

Which of the choices is a quaternary ammonium salt?

Which of the choices is a quaternary ammonium salt?

[html]Question 1.Which of the choices is a tertiary amine?

▸ CH3CH2NHCH2CH(CH

adotey   36   1 Reply

nikki24303

An atactic polymer has a ________ configuration.

An atactic polymer has a ________ configuration.

[html]Question 1.An isotactic polymer has a ________ configuration.

▸ random

▸ alternating

▸ same

▸ block

▸ graftQuestion 2.An atactic polymer has a ________ configuration.

▸ random

▸ a

adotey   108   1 Reply

nguyenphuc1990

Which of the following compounds have a net dipole moment?

Which of the following compounds have a net dipole moment?

[html]Which of the following compounds have a net dipole moment?

▸ CO2

▸ CBr4

▸ CH4

▸ C

adriii0825   24   1 Reply

Boba155

Identify the following compound(s) having the highest boiling point?

Identify the following compound(s) having the highest boiling point?

[html]Identify the following compound(s) having the highest boiling point?

adriii0825   34   1 Reply

voltayre

Which of the given compounds has the lowest wavenumber for its carbonyl absorption?

Which of the given compounds has the lowest wavenumber for its carbonyl absorption?

[html]Question 1.Rank absorption of the indicated bonds in order of decreasing wavenumber (from highest to lowest wavenumber).

adriii0825   22   1 Reply

ggyxxcool