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.
TRUE
B.
FALSE
C.
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.
TRUE
B.
FALSE
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.
FALSE
B.
TRUE
Question #7
1-amino-2-methylpropane is a secondary amine.
A.
FALSE
B.
TRUE
Question #8
In the IUPAC nomenclature system, the name of which of the following would end in "-al"?
A.
an alkane
B.
an aldehyde
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.
acid anhydride
C.
alkene
D.
aldehyde
Question #10
Oxidation of a tertiary alcohol will produce a(n) ____.
A.
carboxylic acid
B.
ketone
C.
aldehyde
D.
no reaction
Question #11
The IUPAC name of the ester formed from butanoic acid and ethanol is
A.
butyl ethanonate.
B.
ethyl butanoate.
C.
butyl ethanate.
D.
ethyl proponoate.
Question #12
Which is a difference between butene and cyclobutene?
A.
The location of the double bond is terminal in cyclobutene, but between interior carbons in butene.
B.
Cyclobutene is missing more hydrogens than is butene.
C.
Cyclobutene has 2 double bonds, butene does not.
D.
They are isomers.
Question #13
Reacting an amine with HCl will produce?
A.
an amide plus a carboxylic acid
B.
a salt
C.
an ammonium ion and OH−
D.
an amide plus HCl
Question #14
Which compound is a secondary amine?
A.
CH3NHCHO
B.
NH2CH2CH3
C.
(CH3)2NCH2CH3
D.
CH2CH(NH2)CH3
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.
RC(=O)R
B.
RCOH
C.
RCHO
D.
RCOOH
Question #16
Which of the following is used to represent an organic acid?
A.
COH
B.
COC
C.
CHO
D.
COOH
Question #17
Which is a characteristic of alkenes and alkynes, but not a characteristic of alkanes?
A.
Alkenes all have a scent similar to the aromatic compounds, but the alkanes and alkenes have a scent that is extremely sharp.
B.
Alkynes are not flammable, the others are flammable.
C.
There is more than one correct response.
D.
Alkanes have only single bonds between carbons.
Question #18
Select the major product that would result from the reaction below. CH3CH2CH=CH2 + HBr → __________
A.
CH3(CHBr)2CH3
B.
CH3CHBrCH2CH3
C.
CH2CH2CH2CH3
D.
CH3CH2CH2CH2Br
Question #19
Reacting an amine with an acid chloride will produce?
A.
an ammonium ion and OH−
B.
a salt
C.
an amide plus a carboxylic acid
D.
an amide plus HCl
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-SH2
C.
R-S2-R
D.
R-S-R
Question #21
Dehydration of an alcohol will produce a(n) ______.
A.
ether
B.
alkene
C.
alcohol
D.
carbonyl
Question #22
When a carboxylic acid reacts with alcohol, the organic product is a(n) ____.
A.
salt
B.
acetal
C.
ester
D.
hemiacetal
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