A Hydrocarbon Contains Only The Elements

Chemistry Exam 6

What is the IUPAC name of the compound shown below?
CH3-CH2-H-C=C
cis-3-hexene
An alkyne is an organic compound that contains a ________ bond.triple
Organic compounds can only be made by living things because a “vital force” is needed for their production.false
When naming an alkene, the parent chain is the longest carbon chain ________.that contains both atoms of the double bond
According to the IUPAC convention, alkyl substituents on a hydrocarbon chain should be listed in which order?alphabetical without considering prefixes
According to the IUPAC convention, alkyl group names should be located ________ of the name of the main chain.in front
The simplest cycloalkane has ________.three carbon atoms
Shampoos, perfumes, and plastics are organic compounds.True
Which of the following is true of nonane, C9H20, which has a density of 0.79 g/mL, melts at -51 °C, and boils at 151 °C?Nonane floats on the surface of water
Which of the following is not typical of most hydrocarbons?high melting point
What is the IUPAC name for the following compound?
CH3Cl
l l
CH3-CH-C-CH=CH
l l
CH3 CH3
4-chloro-4,5-dimethyl-2-hexene
All of the carbon-carbon bonds in benzene are ________.Identical
A hydrocarbon contains only the elements ________.carbon and hydrogen
The IUPAC name for CH3CH2C CCH3 is ________.2-pentyne
An unsaturated compound always ________.contains at least one double or triple bond
The skeletal formula shown is that of / / /pentane
According to the IUPAC convention for chemical naming, which part of a hydrocarbon is selected as the main chain for a hydrocarbon chain?the longest continuous chain, regardless of bends
What is the condensed structural formula for an alkane with four carbon atoms?CH3CH2CH2CH3
Organic compounds usually contain carbon, hydrogen and metal atoms.false
Carbon atoms always have how many covalent bonds?four
A compound that contains the ring structure of benzene is called a(n) ________.aromatic compound
What is the IUPAC name of the continuous chain alkane with six carbon atoms?hexane
The compound below is named ________.
/
lOl
/
benzene
What is the IUPAC name of
CH3
|
CH3- CH- CH2- CH2-CH3
2-methylpentane
When drawing a structural formula, the first step is to draw ________.the main carbon chain
What is the condensed structural formula for the product of the reaction of 2-butene with water and a strong acid catalyst?OH
|
CH3-CH-CH2-CH3
Some alkenes have geometric (cis-trans) isomers because ________.the carbon atoms in the double bond cannot rotate
What is the condensed structural formula for the product of the hydrogenation of 2-butene using a platinum catalyst?CH3CH2CH2CH3
The IUPAC name of CH3CH CHCH3 is ________.2-butene
A formula that shows the arrangement of all bonds in a molecule is called a(n) ________.expanded structural formula
The compound 1-butyne contains ________.a triple bond
Solid alkanes are found on the surface of many fruits and vegetables.true
The complete combustion of 1 mole of pentane, C5H12, will require how many moles of oxygen, O2?8 moles
A hydrocarbon with a double bond is a(n) ________.alkene
Organic compounds are always highly water soluble.false
Organic compounds usually have low melting and boiling points.true
What is the IUPAC name of the compound shown below?

H CH2-CH3
/
C=C
/
CH3 H

trans-3-pentene
How many valence electrons does carbon have?four
The balanced equation for the complete combustion of C5H12 will give which of these product(s)?5CO2 + 6H2O
What is(are) the product(s) of the complete combustion of any hydrocarbon?CO2 + H2O
What is the condensed structural formula for the compound 3-hexene?CH3CH2CH CHCH2CH3
What is the IUPAC name of
CH3
|
CH3- C- CH2- CH3
|
CH3
2,2-dimethylbutane
What is the IUPAC name for a ten-carbon continuous-chain alkane?decane
What is the name for a three-carbon saturated alkyl group?propyl
In the three-dimensional structure of methane, CH4, the hydrogen atoms attached to a carbon atom are aligned ________.at the corners of a tetrahedron
Isomers are molecules that share the same formula and have ________.a different arrangement of atoms within the molecule
Organic liquids are usually less dense than water.true
What is the IUPAC name for this alkane?
CH2 – CH3
l
CH3 -CH – CH – CH2 – CH3
l
CH3
3, 4-dimethylhexane
What is the product of the reaction shown below?
CH3- CH2- CH = CH2 + HOH
OH
|
CH3-CH2-CH-CH3
A cycloalkane ________.has two fewer hydrogen atoms than the corresponding alkane