ch 12
The carbon skeleton of an alkane is shown below. How many hydrogen atoms are bonded to the carbon marked with a *?
0
The carbon skeleton of an alkane is shown below. How many hydrogen atoms are bonded to the carbon marked with a *?
1
What is the IUPAC name of the molecule shown?
1,1-dimethylcyclobutane
What is the IUPAC name of the molecule shown?
1,2-dimethylcyclobutane
How many hydrogens are present in a molecule composed of a six membered ring of carbon atoms and no double or triple bonds?
12
How many structural isomers are possible for the molecular formula, C4H10?
2
What is the IUPAC name of the compound shown? (CH3)3—C—CH2—CH2—CH3
2,2-dimethylpentane
Monochlorination of Pentane, C5 H12 , leads to formation of how many different products?
3
The carbon skeleton of an alkane is shown below. How many hydrogen atoms are bonded to the carbon marked with a *?
3
What is the minimum number of carbons that must be present in a molecule to have a secondary carbon?
3
What is the IUPAC name of the compound shown?
3,3-dimethylhexane
What is the IUPAC name of the compound shown?
3,5-dimethyloctane
In straight-chain alkanes, the carbon atoms on each end of the molecule always form bonds with ________ atoms of hydrogen; the carbons within the molecule always form bonds with ________ hydrogen atoms.
3; 2
What is the IUPAC name of the compound shown?
4-isopropyldecane
How many carbon atoms are there in the longest continuous chain of the molecule shown?(CH3)2CH—(CH2)5—CH3
8
Which list includes all the elements that would be found in an alkane with an amine group?
C, H, N
Which molecule is an isomer of the molecule shown?
CH3 | CH3 CH2 CH2 CH2 CHCH3
The condensed structure of 2,2,4,4-tetramethyl-heptane is
CH3 CH3 | | CH3 CHCH2 CHCH2 CH2 CH3 | | CH3 CH3
The condensed structure of 2,4-dimethyl-heptane
CH3 CHCH2 CHCH2 CH2 CH2 CH3 | | CH3 CH3
The condensed structure of 2,4-dimethyl-hexane is
CH3 CHCH2 CHCH2 CH3 | | CH3. CH3
The condensed structure of n-octane is
CH3(CH2)6CH3
When hydrocarbons undergo complete combustion, the product(s) is(are)
CO2 and H2O.
Which atom is least likely to form a polar covalent bond with carbon?
H
Which substance is not reactive with respect to alkanes?
H2
Which molecule is not an isomer of the molecule shown? C2H5—O—C2H5
O || CH3 CH2 -C-CH3
the functional group which illustrates an ester is
O || R-C-O-R
Which of the statements about the behavior of the element carbon in organic molecules is incorrect?
When carbon forms four single bonds, the bond angles are 90°.
The alkyne functional group is
a carbon-carbon triple bond.
The alcohol functional group is
a carbon-oxygen-hydrogen group.
The arene or aromatic functional group is often represented as
a six-membered ring with three double bonds.
The functional group illustrated by R—OH is an
alcohol.
the functional group illustrated below is an O // R-C \ H
aldehyde
the family of organic compounds with functional groups that do not consitent only of hydrocarbons is
aldehydes
Which family of organic compounds does not contain any multiple bonds?
alkyl halides
all of the families below include functional groups which contain oxygen except
alkyl halides
the functional group illustrated below is an O || R-C-NH2
amide
Which functional group does not contain oxygen?
amine
Which family of organic molecules is a hydrocarbon?
aromantic
The functional group illustrated by R—O—R' is an
ether.
Which group is the best description of the properties of alkanes?
flammable, non-reactive, insoluble in water
When an alkane reacts with an element from group 7A, the reaction is referred to as
halogenation.
The molecule shown is named as a substituted ________ because ________. CH3. CH3 |. | CH3 CHCH2. CHCHCH3 |. | CH3. CH3
hexane; it contains six atoms of carbon in its longest chain.
The carbon atom marked with * is a ________ carbon atom.
primary
The name of the hydrocarbon with three carbon atoms and having only single bonds between carbon atoms is
propane.
the carbon atom marked with * is a ________ carbon atom.
quaternary
In the molecule 3,3-dimethylhexane, carbon number two is
secondary.
Which is not a property of most alkanes?
soluble in water
The carbon atom marked with * is a ________ carbon atom.
tertiary
Which factor is most important in determining the chemistry of an organic molecule?
the functional groups
which of the following statements about allkyl groups is incorrect
they are derived from alkenes
all of the following statements are general properties of organic compounds except
they usually behave as electrolytes in solution
