Chem 051 - Fundamentals of Chemistry » Winter 2021 » Homework GOB Week 5
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Question #1
Based on the IUPAC name, N,N-dimethylaniline is a secondary amine.
A.
FALSE
B.
C.
TRUE
Question #2
Markovnikov's rule indicates that in the addition of H-X to an alkene, the hydrogen becomes attached to the carbon atom that is already bonded to more hydrogens.
A.
TRUE
B.
FALSE
Question #3
2-butyne can exist as cis- and trans- isomers.
A.
FALSE
B.
TRUE
Question #4
Mercaptan is another name for a thiol.
A.
FALSE
B.
TRUE
Question #5
When naming aldehydes, the aldehyde group is at position number 1.
A.
TRUE
B.
FALSE
Question #6
To prepare a ketone, one should oxidize a secondary alcohol.
A.
TRUE
B.
FALSE
Question #7
1-amino-2-methylpropane is a secondary amine.
A.
TRUE
B.
FALSE
Question #8
In the IUPAC nomenclature system, the name of which of the following would end in "-al"?
A.
an aldehyde
B.
an alkane
C.
an alcohol
D.
a phenol
Question #9
What would be produced as the result of reaction between a carboxylic acid and an alcohol?
A.
ester
B.
aldehyde
C.
alkene
D.
acid anhydride
Question #10
Oxidation of a tertiary alcohol will produce a(n) ____.
A.
no reaction
B.
ketone
C.
carboxylic acid
D.
aldehyde
Question #11
The IUPAC name of the ester formed from butanoic acid and ethanol is
A.
ethyl butanoate.
B.
butyl ethanonate.
C.
ethyl proponoate.
D.
butyl ethanate.
Question #12
Which is a difference between butene and cyclobutene?
A.
Cyclobutene has 2 double bonds, butene does not.
B.
They are isomers.
C.
The location of the double bond is terminal in cyclobutene, but between interior carbons in butene.
D.
Cyclobutene is missing more hydrogens than is butene.
Question #13
Reacting an amine with HCl will produce?
A.
a salt
B.
an ammonium ion and OH−
C.
an amide plus HCl
D.
an amide plus a carboxylic acid
Question #14
Which compound is a secondary amine?
A.
NH2CH2CH3
B.
CH2CH(NH2)CH3
C.
CH3NHCHO
D.
(CH3)2NCH2CH3
Question #15
Which of the following is a condensed structural formula for an aldehyde? (Note: R is used to represent a generic alkyl chain).
A.
RCOOH
B.
RCHO
C.
RCOH
D.
RC(=O)R
Question #16
Which of the following is used to represent an organic acid?
A.
COH
B.
COOH
C.
CHO
D.
COC
Question #17
Which is a characteristic of alkenes and alkynes, but not a characteristic of alkanes?
A.
There is more than one correct response.
B.
Alkanes have only single bonds between carbons.
C.
Alkenes all have a scent similar to the aromatic compounds, but the alkanes and alkenes have a scent that is extremely sharp.
D.
Alkynes are not flammable, the others are flammable.
Question #18
Select the major product that would result from the reaction below. CH3CH2CH=CH2 + HBr → __________
A.
CH3(CHBr)2CH3
B.
CH3CH2CH2CH2Br
C.
CH2CH2CH2CH3
D.
CH3CHBrCH2CH3
Question #19
Reacting an amine with an acid chloride will produce?
A.
an amide plus a carboxylic acid
B.
a salt
C.
an amide plus HCl
D.
an ammonium ion and OH−
Question #20
Thiols create the unpleasant odor associated with a skunk. Which of the general forms below represents a thiol?
A.
R-SH
B.
R-S-R
C.
R-SH2
D.
R-S2-R
Question #21
Dehydration of an alcohol will produce a(n) ______.
A.
alcohol
B.
ether
C.
carbonyl
D.
alkene
Question #22
When a carboxylic acid reacts with alcohol, the organic product is a(n) ____.
A.
ester
B.
acetal
C.
salt
D.
hemiacetal
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