ALKANES

Question 1

_______ is a hydrocarbon that contains only carbon–carbon single bonds (saturated) and has no rings of carbon atoms (acyclic)

Answer 1

Alkane

Question 2

The molecular formulas of acyclic alkanes fit the general formula:

Answer 2

CnH (2n+2)

Question 3

The molecular formulas of cyclic alkanes (cycloalkanes) fit the general formula:

Answer 3

CnH2n

Question 4

A _____________ is a two-dimensional structural representation that shows how the various atoms in a molecule are bonded to each other

Answer 4

structural formula

Question 5

____________is a structural formula that shows all atoms in a molecule and all bonds connecting the atoms

Answer 5

Expanded Structural Formula

Question 6

__________ is a structural formula that uses groupings of atoms, in which central atoms and the atoms connected to them are written as a group, to convey molecular structural information

Answer 6

Condensed Structural Formula

Question 7

_________ is a structural formula that shows the arrangement and bonding of carbon atoms present in an organic molecule but does not show the hydrogen atoms attached to the carbon atoms

Answer 7

SKELETAL STRUCTURAL FORMULA

Question 8

____________ is an alkane in which all carbon atoms are connected in a continuous nonbranching chain

Answer 8

Continuous-chain Alkane

Question 9

__________ is an alkane in which one or more branches (of carbon atoms) are attached to a continuous chain of carbon atoms

Answer 9

Branched-chain Alkane

Question 10

Internationally recognized systems of nomenclature were devised by a commission of the ________________________________________

Answer 10

International Union of Pure and Applied Chemistry (IUPAC)

Question 11

The general name for acyclic saturated hydrocarbons is ___________

Answer 11

alkanes

Question 12

________________ are used to denote the actual number of carbon atoms in the continuous chain and ends with –ane suffix word

Answer 12

Greek numerical prefixes

Question 13

To name branched-chain alkanes, the root name is that of the longest continuous chain of carbon atoms. Groups attached to the main chain are called _______

Answer 13

substituents

Question 14

For branched-chain alkanes, the substituents are specifically called ______________

Answer 14

alkyl groups

Question 15

_____________ is the group of atoms that would be obtained by removing a hydrogen atom from an alkane

Answer 15

alkyl groups

Question 16

IUPAC names for hydrocarbons are written as how many words

Answer 16

one word

Question 17

The ___________ is a scale of small numbers that are used

to specify molar hydronium ion concentration in an aqueous solution.

Answer 17

pH scale

Question 18

Locate the longest continuous carbon chain. This will give the name of the ____________

Answer 18

parent hydrocarbon.

Question 19

is a structural representation in which a line represents a carbon-carbon bond and a carbon atom is understood to be present at every point where two lines meet and at the
ends of lines

Answer 19

LINE ANGLE STRUCTURAL

Question 20

is a saturated hydrocarbon in which carbon atoms connected to one another in a cyclic (ring) arrangement are present

Answer 20

cycloalkanes

Question 21

is a cyclic organic compound in which one or more of the carbon atoms in the ring have been replaced with atoms of other elements

Answer 21

HETEROCYCLIC COMPOUNDS