Quiz 18 Flashcards
- The functional groups for organic acids is the
hydroxyl group
amine group
carbonyl group
carboxyl group
carboxyl group
- The general formula for an ester is
ROR’
RCOOH
RCOR’
RCOOR’
RCOOR’
- Hydrogenation of an alkene yields
alkane
alkyne
alcohol
aldehyde
alkane
- Which of the following contains a tertiary carbon?
2,2-dimethylpropane
3-methylheptane
2-pentene
all of the above
3-methylheptane
- Alkanes react primarily by
free radical substitution
electrophilic substitution
electrophilic addition
nucleophilic addition
free radical substitution
- The carbonyl group of aldehydes and ketones is very reactive because
the -C=O bond is electron rich
the oxygen has two nonbonding pairs
the -C=O bond is polar
all of the above
all of the above
- Aldehydes and ketones generally react by
nucleophilic addition
nucleophilic substitution
electrophilic addition
electrophilic substitution
nucleophilic addition
- What is formed when an alcohol reacts with a carboxylic acid?
ester
anhydride
acid chloride
thioester
ester
- Carboxylic acids are more acidic than alcohols because
of the increased polarity of the O-H bond due to the carbonyl group
of the stability of the carboxylate anion formed upon ionization
of the greater value of Ka
all of the above
all of the above
- A compound having the permanent dipole moment is _____.
CO2
H2
CH4
CO
CO
- Pentane and isopentane are what type of isomers?
aldehydes
chiral
structural
enantiomers
structural
- An alkyne contains at least one of which of the following carbon-carbon bonds?
double
quadruple
triple
single
triple
- How many carbon atoms does butane contain?
1
2
4
5
4
- What is the hybridization of the oxygen atom in an aldehyde?
sp
sp³
d²sp³
sp²
sp²
- CH3CH2C(O)NH2 is called a(n)
ketone
ester
aldehyde
amide
amide
- What is the general formula for an aldehyde?
R-CO-OH
R-CO-H
R-O-R
R-OH
R-CO-H
- What is the general formula for an alcohol?
R-CO-OH
R-CO-H
R-O-R
R-OH
R-OH
- Of the following, which are the most reactive?
alkanes
alkenes
cycloalkanes
alkynes
alkynes
- Which of the following is not an alkane?
C3H8
C7H16
C5H12
C9H18
C9H18
- What is the IUPAC name for the following compound? H3C– CH(CH3) – CH2 – CCH3=CH2
2,5-dimethylpentane
2,4-methylbutene
2,4-dimethyl-1-pentene
2,4-ethylbutene
2,4-dimethyl-1-pentene
- What is the general formula for alkanes?
CnH2n
CnH2n-2
C2nH2n+2
CnH2n+2
CnH2n+2
- If each of the following is an alkane, which one must be cyclic?
C7H14
C22H46
C3H8
C12H26
C7H14
- Which one of the following is a saturated hydrocarbon?
alkane
alkene
aromatic hydrocarbon
alkyne
alkane
- What is the distinguishing characteristic of a carbohydrate?
carbonyl group
two-C-OH groups
Cx(H2O)y formula
six carbon atoms
Cx(H2O)y formula
- If we add Cl2 to 1-butene, what is the product?
CH3CH2CCl2CH3
CH3CH2CCl2CHCl2
CH3CH2CH2CHCl2
CH3CH2CHClCH2Cl
CH3CH2CHClCH2Cl
