Laser_3

Which of the following will not undergo an aldol condensation reaction?

Which of the following will not undergo an aldol condensation reaction?

Which of the following will not undergo an aldol condensation reaction?
 a. butanal
  b. 2-methylbutanal
  c. 2, 2-dimethylbutanal
  d. 3, 3-dimethyl-2-butanone
  e. neither c nor d
  f. All will undergo an aldol conden

geruff   43   1 Reply

16brehan

Experimentally to produce 2-ethylpentanal from pentanal, how should the reaction conditions be ...

Experimentally to produce 2-ethylpentanal from pentanal, how should the reaction conditions be ...

Experimentally to produce 2-ethylpentanal from pentanal, how should the reaction conditions be adjusted to ensure the alpha substitution product rather than the aldol product result or a mixture of the two products?
 a. use a catalytic amount o

danusha   34   1 Reply

Aldarmaki97

Which of the following constitutes a difference between an aldol and a Claisen condensation?

Which of the following constitutes a difference between an aldol and a Claisen condensation?

Which of the following constitutes a difference between an aldol and a Claisen condensation?
 a. basic conditions b. tetrahedral intermediate
  c. enolate ion formation d. protonation of the intermediate

geruff   66   1 Reply

umogal

Which of the following will produce a five-membered ring via a Dieckmann cyclization?

Which of the following will produce a five-membered ring via a Dieckmann cyclization?

Which of the following will produce a five-membered ring via a Dieckmann cyclization?
 a. 1,6-diester
  b. 1,6-diketone
  c. 1,7-diester
  d. 1,7-diketone
  e. a and c
  f. b and d

joxley3   97   2 Replies

joxley3

Which of the following would be classified as a Michael donor?

Which of the following would be classified as a Michael donor?

Which of the following would be classified as a Michael donor?
 a. propenamide b. 1-nitropentane
  c. 3-buten-2-one d. propylpropenoate

ANKUR   19   1 Reply

jhncyss

Which of the following is the ester analog of an aldol condensation?

Which of the following is the ester analog of an aldol condensation?

Which of the following is the ester analog of an aldol condensation?
 a. Robinson annulation reaction
  b. Michael reaction
  c. Claisen condensation
  d. Dieckmann cyclization
  e. c and d
  f. All are analogs of an al

Tmi32   28   1 Reply

jhncyss

Which of the following can result in cyclization?

Which of the following can result in cyclization?

Which of the following can result in cyclization?
 a. aldol condensation
  b. Claisen condensation
  c. Robinson annulation
  d. All can result in cyclization.

kjustice4   58   1 Reply

Pankaj chaudhar

Mechanistically like halogenation, acetone can be deuterated by treatment with D3O+. Describe how an ...

Mechanistically like halogenation, acetone can be deuterated by treatment with D3O+. Describe how an ...

Mechanistically like halogenation, acetone can be deuterated by treatment with D3O+. Describe how an H NMR could be used to verify that deuteration actually occurs.

ahmedkamal   41   1 Reply

julievee94

Which of the following is not correct?

Which of the following is not correct?

Which of the following is not correct?
 a. Tautomers are constitutional isomers.
 b. Tautomers rapidly interconvert.
 c. The enol form is generally more stable.
 d. Tautomerization is catalyzed by both acids and bases.
 e. A

asteriskek   52   1 Reply

LebronR03

Using the acetoacetic ester synthesis, to produce 5-methyl-2-heptanone, the alkyl halide that should ...

Using the acetoacetic ester synthesis, to produce 5-methyl-2-heptanone, the alkyl halide that should ...

Using the acetoacetic ester synthesis, to produce 5-methyl-2-heptanone, the alkyl halide that should be used is:
 a. 1-bromo-2-methylpentane
  b. 1-bromo-2-methylnonane
  c. 1-bromo-2-methylbutane
  d. 1-bromo-2-methyldecane

Arelin   57   2 Replies

Arelin

Which of the following will take place via nucleophilic acyl substitution?

Which of the following will take place via nucleophilic acyl substitution?

Which of the following will take place via nucleophilic acyl substitution?
 a. thioester producing an acid chloride
  b. ester producing a thioester
  c. ester producing an amide
  d. acid anhydride producing an acid chloride

yelizabeth   53   1 Reply

LebronR03

Which of the following describes nucleophilic acyl substitution?

Which of the following describes nucleophilic acyl substitution?

Which of the following describes nucleophilic acyl substitution?
 a. Nucleophile adds to the electrophilic carbon of the carbonyl bond.
  b. Electrophile replaces a group on the carbon alpha to the carbonyl.
  c. Nucleophile replaces

bernaljr20031   42   1 Reply

Mandamomm11

Which of the following is not an acyl derivative of a carboxylic acid?

Which of the following is not an acyl derivative of a carboxylic acid?

Which of the following is not an acyl derivative of a carboxylic acid?
 a. nitrile b. ester
  c. amide d. acid chloride

Nurselady   40   1 Reply

lamesignin

Which of the following is not a common feature of both carboxylic acids and nitriles?

Which of the following is not a common feature of both carboxylic acids and nitriles?

Which of the following is not a common feature of both carboxylic acids and nitriles?
 a. carbon atom with three bonds to an electronegative atom
  b. presence of  bonds
  c. can act as electrophiles
  d. occur frequently in livi

nathanwhite2016   27   1 Reply

jhncyss

In order to produce a carboxylic acid as a product of the Grignard reaction, the Grignard reagent ...

In order to produce a carboxylic acid as a product of the Grignard reaction, the Grignard reagent ...

In order to produce a carboxylic acid as a product of the Grignard reaction, the Grignard reagent reacts with:
 a. CO2
  b. a methyl ketone
  c. a methyl ester
  d. an aldehyde
  e. either or CO2 a methyl ketone

tlcp8   56   1 Reply

a_simon616

A sample is known to contain either hexanoic acid or 3-methylpentanoic acid. Which of the following ...

A sample is known to contain either hexanoic acid or 3-methylpentanoic acid. Which of the following ...

A sample is known to contain either hexanoic acid or 3-methylpentanoic acid. Which of the following spectra would not distinguish between the two isomers?
 a. 1H NMR
  b. 13C NMR
  c. DEPT-90
  d. DEPT-135
  e. All would dis

daurea829   28   2 Replies

daurea829

Which of the following will undergo rearrangement upon heating?

Which of the following will undergo rearrangement upon heating?

Which of the following will undergo rearrangement upon heating?
 a. 2-butenyl phenyl ether
  b. 1-propenyl 2-propenyl ether
  c. 2-pentenyl phenyl ether
  d. All will undergo rearrangement.

ANKUR   48   1 Reply

weiling715

2,4,6-trinitrophenol is a stronger acid than phosphoric acid. Another name for this compound is ...

2,4,6-trinitrophenol is a stronger acid than phosphoric acid. Another name for this compound is ...

2,4,6-trinitrophenol is a stronger acid than phosphoric acid. Another name for this compound is picric acid. Explain the acidity of picric acid.

snowfairy2611   37   1 Reply

ngchristinee

It is possible to synthesize 1-bromo-4-nitrobenzene by reacting bromobenzene with a mixture of ...

It is possible to synthesize 1-bromo-4-nitrobenzene by reacting bromobenzene with a mixture of ...

It is possible to synthesize 1-bromo-4-nitrobenzene by reacting bromobenzene with a mixture of nitric and sulfuric acids. However, 1-bromo-4-nitrobenzene is not obtained if nitrobenzene is reacted with Br2/FeBr3 . Explain the difference.

nlebeau   37   1 Reply

efslanwyk

Which of the following could successfully undergo a Friedel-Crafts alkylation? Assume an appropriate ...

Which of the following could successfully undergo a Friedel-Crafts alkylation? Assume an appropriate ...

Which of the following could successfully undergo a Friedel-Crafts alkylation? Assume an appropriate catalyst.
 a. chlorobenzene reacting with benzene
  b. 2-chloroethene reacting with benzene
  c. 2-chloropropane reacting with benzal

hayfay   44   1 Reply

zabaird

Which of the following is an ortho- and para- director?

Which of the following is an ortho- and para- director?

Which of the following is an ortho- and para- director?
 a. NO2 b. NH2
  c. CN d. CO2CH3

multimaan   37   1 Reply

gatt3130

Which of the following is a meta- director?

Which of the following is a meta- director?

Which of the following is a meta- director?
 a. OH b. Br
  c. CH2CH2CH3 d. COCH3

multimaan   40   2 Replies

multimaan

Which of the following is a meta-deactivating group?

Which of the following is a meta-deactivating group?

Which of the following is a meta-deactivating group?
 a. CO2H b. I
  c. OH d. CH3

tpaige12   34   1 Reply

jessicadbarnes

Which of the following is an ortho- and para- director and a deactivator?

Which of the following is an ortho- and para- director and a deactivator?

Which of the following is an ortho- and para- director and a deactivator?
 a. NO2
  b. F
  c. CN
  d. CH2CH3
  e. none of these

kimberlieeike   31   1 Reply

evatangv3v

Which of the following aromatic compounds will have largest number of signals in a 13CNMR?

Which of the following aromatic compounds will have largest number of signals in a 13CNMR?

Which of the following aromatic compounds will have largest number of signals in a 13CNMR?
 a. 1,4-dimethylbenzene (p-methyl toluene)
  b. 1,3,5-trimethylbenzene (mesitylene)
  c. 1,2,4,5-tetramethylbenzene
  d. All produce the s

smorehouse   28   1 Reply

na.ov

What m/z ratio range might be common to many substituted benzene compounds?

What m/z ratio range might be common to many substituted benzene compounds?

What m/z ratio range might be common to many substituted benzene compounds?
 a. 72 - 77 ppm b. 26 - 38 ppm
  c. 81 - 88 ppm d. less than 59 ppm

multimaan   43   1 Reply

master1998

For a diene to undergo a Diels-Alder reaction it must:

For a diene to undergo a Diels-Alder reaction it must:

For a diene to undergo a Diels-Alder reaction it must:
 a. be substituted with electron-withdrawing groups
  b. be able to adopt an s-trans conformation
  c. be substituted with electron-donating groups
  d. be able to adopt an s

geruff   58   1 Reply

wow678917645

For Diels-Alder cycloaddition reactions to take place most rapidly and in highest yield the ...

For Diels-Alder cycloaddition reactions to take place most rapidly and in highest yield the ...

For Diels-Alder cycloaddition reactions to take place most rapidly and in highest yield the dienophile must:
 a. be substituted with electron-withdrawing groups
  b. be able to adopt an s-trans conformation
  c. be substituted with el

Dmal5776   61   1 Reply

beast8

When an organic molecule is irradiated with ultraviolet radiation, the energy absorbed by the ...

When an organic molecule is irradiated with ultraviolet radiation, the energy absorbed by the ...

When an organic molecule is irradiated with ultraviolet radiation, the energy absorbed by the molecule corresponds to:
 a. the amount necessary to increase molecular motions in functional groups
 b.the amount necessary to excite electrons

kaaanaaa2   31   1 Reply

oeaieoe

A physical constant that is the quantitative measure of the amount of UV light absorbed by a ...

A physical constant that is the quantitative measure of the amount of UV light absorbed by a ...

A physical constant that is the quantitative measure of the amount of UV light absorbed by a compound.
 a. A
 b.
 c.max
 d.

nhuynh0122   25   1 Reply

ffattack

The amount of energy in electromagnetic radiation is related to the frequency and wavelength of the ...

The amount of energy in electromagnetic radiation is related to the frequency and wavelength of the ...

The amount of energy in electromagnetic radiation is related to the frequency and wavelength of the radiation. High energy radiation like gamma rays is of:
 a. low frequency and short wavelength
 b.low frequency and long wavelength
 c

bbless888   47   1 Reply

Susannamaj1

In 1839, Charles Goodyear discovered a process by which both natural and synthetic rubbers are ...

In 1839, Charles Goodyear discovered a process by which both natural and synthetic rubbers are ...

In 1839, Charles Goodyear discovered a process by which both natural and synthetic rubbers are hardened. This process is called:
 a. diazotization
  b. vulcanization
  c. polymerization
  d. condensation

dadi_06   67   1 Reply

Umeshnepal825

2-Chloro-1,3-butadiene is polymerized to yield an excellent, expensive synthetic rubber with good ...

2-Chloro-1,3-butadiene is polymerized to yield an excellent, expensive synthetic rubber with good ...

2-Chloro-1,3-butadiene is polymerized to yield an excellent, expensive synthetic rubber with good weather resistance called:
 a. diprene
  b. isoprene
  c. styrene
  d. neoprene

Signsnfn   49   1 Reply

msbrit90

Which of the following compounds is the most stable?

Which of the following compounds is the most stable?

Which of the following compounds is the most stable?
 a. penta-2,3-diene
  b. 2,4-hexadiene
 c. 1,4-pentadiene
  d. 3,6-octadiene

JaySanz   107   1 Reply

gatt3130

For a nucleus to exhibit the nuclear magnetic resonance phenomenon, it must be magnetic. Magnetic ...

For a nucleus to exhibit the nuclear magnetic resonance phenomenon, it must be magnetic. Magnetic ...

For a nucleus to exhibit the nuclear magnetic resonance phenomenon, it must be magnetic. Magnetic nuclei include:
 a. all nuclei with even numbers of neutrons and protons
  b. all nuclei with odd numbers of protons
  c. all nuclei wit

Nurselady   80   1 Reply

sunmathur2000

Nuclear magnetic resonance spectroscopy provides information about a molecule's:

Nuclear magnetic resonance spectroscopy provides information about a molecule's:

Nuclear magnetic resonance spectroscopy provides information about a molecule's:
 a. conjugated pi electron system.
  b. size and formula.
  c. carbon-hydrogen framework.
  d. functional groups.

lomari   52   1 Reply

niccs

Which signal(s) remain(s) when a DEPT-90 spectrum is run?

Which signal(s) remain(s) when a DEPT-90 spectrum is run?

Which signal(s) remain(s) when a DEPT-90 spectrum is run?
 a. CH3
  b. CH2
  c. CH
  d. quaternary C
  e. a, b, c

captain lala   45   1 Reply

Koko65

Which of the following occurs when a DEPT-135 spectrum is run?

Which of the following occurs when a DEPT-135 spectrum is run?

Which of the following occurs when a DEPT-135 spectrum is run?
 a. CH3, CH carbons appear as positive signals
  b. CH2 carbons appears as a negative signal
  c. quaternary carbon signals are absent
  d. a and b
  e. all of t

Ftariq92   44   1 Reply

ineedtopasspls

Could you distinguish 2,2-dimethylbutane from 2-methylpentane using mass spectrometry?

Could you distinguish 2,2-dimethylbutane from 2-methylpentane using mass spectrometry?

Could you distinguish 2,2-dimethylbutane from 2-methylpentane using mass spectrometry?

collinrulez   55   2 Replies

collinrulez

True or false, both mass spectrometry and infrared spectroscopy involve the interaction of molecules ...

True or false, both mass spectrometry and infrared spectroscopy involve the interaction of molecules ...

True or false, both mass spectrometry and infrared spectroscopy involve the interaction of molecules with electromagnetic energy?
  Indicate whether the statement is true or false

nathanwhite2016   55   1 Reply

Aldarmaki97