chemistry exam 2
enantiomers
Both A & B
essential fatty acids are those
both B &C
when two compounds are made up of the same number and kind of atoms, but differ in their molecule structure they are known as
isomers
when two or more compounds are made up of the same number and kind of atoms, but differ in their molecular structure they are known as
isomers
gasoline and water do not mix because gasoline is
less dense than water
the fatty acid that is called an omega-3 fatty acid is
linolenic acid
enantiomers represent
mirror image superimposable isomers
polyunsaturated term indicates
more than one double or triple bond
which of the following is a structural isomer of 2-methylbutane
n-pentane
on the basis of the number of carbon-hydrogen bonds ,all of the following families of compounds can be considered unsaturated except
none of the above
in organic chemistry, the term unsaturated means a molecule
that contains one or more multiple bonds between carbon atoms
What is the IUPAC name for the following compund
trans - 1,3 - dimethylcyclohexane
how many hydrogen atoms are contained in a molecule of cyclopentene
8
how many atoms of hydrogen are there in a molecules of cyclopentene
8
how many hydrogens are present in a molecule composed of a six membered ring of carbon atoms and no double or triple bonds
14
cyclohexane has ___ fewer hydrogens than n-hexane
2
What is the IUPAC name for the following compound
2, 2, 4-trimethylpentane
chiral carbon atom is bonded with ___ different atoms or groups
4
chiral carbon atoms containing all c-c single bonds, must have what number of different groups attached?
4
how many isomers are there of hexane, C6H14
5
how mnay atoms of hydrogen are there in a molecules of cyclopentyne
6
which of these hydrocarbons could not be a cycloalkane
C5H10
which of these formulas corresponds to that of a straight-chain alkane
C5H12
alkenes always contain a
C=C double bond
alkenes have the general formula
CnH2n
all members of the alkene series of hydrocarbons have the general formula
CnH2n
all members of the alkyne series of hydrocarbons have the general formula
CnH2n
which of the following compound is not organic compound
NaCl
The general formula of a carboxylic acid is
R-COOH
what is the general formula for a ketone
R-O-R
the general formula of an ester is
R-O-R'
the general formula of an alcohol is
R-OH
which of these molecules is a tertiary amine
R3N
the aromatic functional group is often represented as
a six membered ring with three double bonds
which classes of hydrocarbons have only single bonds between carbon atoms
alkanes and cycoalkanes
which statement about hydrocarbons is false
alkanes are very reactive compounds
all of the families below include functional groups which contain oxygen except
alkyl halides
unsaturated fatty acids contain
all double bonds
CH3CH2CH2NH2 is called an
amine
which functional group does not contain oxygen
amine
a molecule that has both polar and non polar parts is said to be
amphipathic
natural fatty acids
are cis
Benzene, a hydrocarbon can be classified in a family of
aromatic
which family of organic molecules is a hydrocarbon
aromatic benzene
two or more compounds with the same molecular formula but with the atoms connected diffferently are referred to as
constitutional or structural isomers
cycloalkane with seven carbon atoms is named as ????
cycloheptane ??? or hexane
which of the following statements is incorrect
ethers are hydrocarbons
the simplest alkyne is
ethyne
sterioisomers are compounds that
have the same molecular formula, but have parent chains of different lengths
the compound CH3(CH2)5CH3 is called
heptane
the compound CH3(CH2)4CH3 is called
hexane
a compound that is composed of only carbon and hydrogen is known as an
hydrocarbon
