Chemistry assign chap 11 Assignment 5.1

What is the condensed structural formula for an alkane with four carbon atoms?
CH3-CH2-CH2-CH3

Organic compounds can only be made by living things because a “vital force” is needed for their creation
False

Octane is a seven carbon linear alkane.
False

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A hydrocarbon contains only the elements
hydrogen and carbon

has a carboxylic acid functional group
False

Organic compounds usually contain carbon, hydrogen and metal atoms.
False

What is the name for a six-carbon continuous-chain alkane?
hexane

The simplest cycloalkane has
three atoms

The complete combustion of 1 mole of pentane, C5H12, will require how many moles of oxygen, O2 ?
8 moles

The reaction of butane with oxygen is called
combustion

Functional groups are groups of atoms that act in predictable ways.
True

What is the name of the nine-carbon continuous-chain alkane?
nonane

Carbon has six valence electrons.
False

A formula that shows the arrangement of all bonds in a molecule is called a(n)
expanded structural formula

Mineral oil is a liquid hydrocarbon used as a laxative.
True

What is the name for a four-carbon continuous-chain alkane?
butane

The functional group contained in the compound is a(n
carboxylic acid

The functional group contained in the compound CH3 -CH2-CH=CH-CH3 is a(n)
alcohol

What is the IUPAC name of this alkane?

CH3
CH3 — CH2 – CH – CH3
H3 H2 – CH3

2,2,4-trimethylhexane

The functional group contained in the compound CH3-CH2-NH2 is a(n)
amine

Compounds that have the same molecular formula but different arrangements of atoms are called
isomers

What is the name of this compound?

CH3- CH2- CH2- CH2- CH3

pentane

What is the name for an eight-carbon continuous-chain alkane?
octane

What is the name of this compound?

Cl
CH3 -H – CH2 – CH 2 – Cl

1,3 dichlorobutane

The balanced equation for the complete combustion of C5H12 will give which of these product(s)?
5CO2 + 6H2O

An alkyne is a carbon compound that contains a ________ bond.
triple

What is the name of the alkyl group CH3- CH2- CH2-?
propyl

There are millions of organic compounds. (T/F)
True

Which of the following pairs of formulas represent isomers?
CH3 CH3
CH3 -H – CH – CH3 and CH3 – CH2 — CH3
H3 H3

What is the name for a three-carbon saturated alkyl group?
propyl

An alkene is a carbon compound that contains a ________ bond.
double

The special feature that determines the family name and chemical reactivity of the organic compound it is found in is called a(n)
functional group.

Organic compounds are always highly water soluble. (T/F)
False

Compounds that have the same molecular https://quizlet.com/54325179/edit#add-rowformula but different arrangements of atoms are called
isomers

Which of the following is not typical of most hydrocarbons?
high melting point

What is the name of this compound?

CH3- CH2- CH2- CH2- CH2- CH2- CH3

heptane

What is(are) the product(s) of the complete combustion of any hydrocarbon?
CO2 + H2O

In a condensed structural formula, each carbon atom is
grouped with its bonded hydrogen atoms.

Organic liquids are often lighter than water. (T/F)
True

The functional group contained in the compound
O
CH3-CH2-C-O-CH3 is a(n)

(ATTN! This formula wouldn’t copy so I recreated it the best I could. There is a double bond between the C and the O above it… I hope this makes sense!)

ester

What is the name for a ten-carbon continuous-chain alkane?
decane

What is the name for a one-carbon alkyl substituent?
methyl

Organic chemistry is the study of the chemistry of compounds that contain primarily carbon and hydrogen. (T/F)
True

The skeletal formula of an alkane shows
the carbon skeleton with carbon atoms at the end of a line or as a corner.

Functional groups always contain atoms other than just carbon and hydrogen. (T/F)
False

Carbon atoms always have how many covalent bonds?
four

The reaction for the combustion of heptane is

C7H16(l) + 11O2(g) → 7CO2(g) + 8H2O(g).

How many liters of CO2 at STP are produced from the complete combustion of 2.00 moles of heptane?

314 L

Most medicines are organic molecules. (T/F)
True

Organic chemistry is the study of the chemistry of compounds of
carbon.

Hydrocarbons are the primary constituents of
fossil fuels.

What is the name for a two-carbon saturated alkyl group?
ethyl

A functional group is a certain group of atoms that
reacts in a predictable way whenever present.

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.

According to the IUPAC convention, alkyl substituents on a hydrocarbon chain should be listed in which order?
alphabetical without considering prefixes

Methane has a tetrahedral structure. (T/F)
True

Which of the following compounds could have the molecular formula C7H16?
2,3-dimethylpentane

The functional group contained in the compound is a(n)
O
CH3-CH2-C-NH2

(there is a double bond between the C and the O)

amide.

When drawing a structural formula, the first step is to draw
the main carbon chain.

A cycloalkane
has two fewer hydrogen atoms than the corresponding alkane.

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

Most organic compounds are flammable. (T/F)
True

What is the name for a four-carbon continuous-chain alkane?
butane

Solid alkanes are found on the surface of many fruits and vegetables. (T/F)
True

The skeletal formula shown is that of
^v^v^(sorry, best i could do with the skeletal formula)
heptane.

Nylon, polyester, and most other plastics are organic compounds.
true

How many valence electrons does carbon have?
4

When naming an alkane, the main chain is the longest continuous carbon chain regardless of bends. (T/F)
true

Isomers are molecules that share the same formula and have
a different arrangement of atoms within the molecule.

The functional group contained in the compound CH3-CH2-OH is a(n)
alcohol.

Methane has a tetrahedral structure.(T/F)
true

What is the name for this three-carbon alkyl group?

CH3 CHCH3

iso-propyl

Identify the functional group in the compound CH3-CH2-SH.
Thiol

How does a molecule of a vitamin synthesized in the laboratory behave when compared to the behavior of the same vitamin isolated from a natural source (e.g., vitamin C synthesized, compared to vitamin C from rose hips)?
Identical in every way

Organic compounds usually have low melting and boiling points. T/F
True

What functional group(s) are present in the following compound?

O
H2N-CH2-C-CH3

Amine and Ketone

The carbon atoms in saturated hydrocarbons
Have only single bonds.