Organic Chemistry

Organic Chemistry Exam 1.

What is this Functional Group?

It is an Alkene, due to its double carbon bond.

What is the name of this functional group?

It is known as an Alkyne due to its triple bond to carbon.

What is the name of this functional group?

This is known as an Arene with its many carbon bonds.

What is the name of this functional group?

This is known as a halide. which can include the 7th group of the periodic table.

What is the name of this functional group?

This is known as an alcohol. IT CAN ONLY BE AN ALCOHOL IF ATTATACHED TO A CARBON!

What is the name of this functional group?

this is an ETHER! R-C-O-R

What is the name of this functional group?

This is known as a monophosphate.

What is the name of this functional group?

Diphosphate

What is the name of this functional group?

This is known as an Amine

What is the name of this functional group?

This is known as an Imine

What is the name of this functional group?

This is known as a nitrile

What is the name of this functional group?

This is known as thiol.

What is the name of this functional group?

This is known as Sulfide

What is the name of this functional group?

disulfide

What is the name of this functional group?

This is known as Sulfoxide.

What is the name of this functional group?

this is known as an Aldehyde

What is the name of this functional group?

Ketone

What is the name of this functional group?

this is a carboxylic acid

What is the name of this functional group?

Ester

What is the name of this functional group?

Thioester

What is the name of this functional group?

Amide

What is the name of this functional group?

Acid Chloride

What is the name of this functional group?

Carboxylic acid anhydride

Identify the functional groups in each of the following molecule?

(a) Sulide, carboxylic acid, amine

Identify the functional groups in each of the following molecule?

(b) Aromatic ring, carboxylic acid

Identify the functional groups in each of the following molecule?

(c) Ether, alcohol, aromatic ring, amide, C5C bond

Identify the functional groups in the following model of arecoline, a veterinary drug used to control worms in animals. Convert the drawing into a linebond structure and a molecular formula (red 5 O, blue 5 N).

Draw structures of the five isomers of C6H14.

Propose structures that meet the following description?

(a) Two isomeric esters with the formula C5H10O2

Propose structures that meet the following description?

(b) Two isomeric nitriles with the formula C4H7N

Propose structures that meet the following description?

(c) Two isomeric disulfides with the formula C4H10S2

How many isomers are there with the following description?

(a) Alcohols with the formula C3H8O

two

How many isomers are there with the following description?

(b) Bromoalkanes with the formula C4H9Br

four

How many isomers are there with the following description?

(c) Thioesters with the formula C4H8OS

four

Draw the eight 5-carbon alkyl groups (pentyl isomers)

Draw structures of alkanes that meet the following descriptions.

(a) An alkane with two tertiary carbons

Draw structures of alkanes that meet the following descriptions.

(b) An alkane that contains an isopropyl group

Draw structures of alkanes that meet the following descriptions.

(c) An alkane that has one quaternary and one secondary carbon

Give IUPAC names for the following compound

1 (a) Pentane, 2-methylbutane, 2,2-dimethylpropane

Give IUPAC names for the following compound

(b) 2,3-Dimethylpentane

Give IUPAC names for the following compound

(c) 2,4-Dimethylpentane

Give IUPAC names for the following compound

(d) 2,2,5-Trimethylhexane

Draw structures corresponding to the following IUPAC name

(a) 3,4-Dimethylnonane

Draw structures corresponding to the following IUPAC name

(b) 3-Ethyl-4,4-dimethylheptane

Draw structures corresponding to the following IUPAC name

(c) 2,2-Dimethyl-4-propyloctane

Draw structures corresponding to the following IUPAC name

(d) 2,2,4-Trimethylpentane

Give the IUPAC name for the following hydrocarbon, and convert the drawing into a skeletal structure.

Make a graph of potential energy versus angle of bond rotation for propane, and assign values to the energy maxima.

Sight along the C2  C1 bond of 2-methylpropane (isobutane). (a) Draw a Newman projection of the most stable conformation. (b) Draw a Newman projection of the least stable conformation. (c) Make a graph of energy versus angle of rotation around the C2  C1 bond. (d) Assign relative values to the maxima and minima in your graph, given that an H ←→ H eclipsing interaction costs 4.0 kJ/mol and an H ←→ CH3 eclipsing interaction costs 6.0 kJ/mol

Sight along the C2  C3 bond of 2,3-dimethylbutane, and draw a Newman projection of the most stable conformation.

Draw a Newman projection along the C2  C3 bond of the following conformation of 2,3-dimethylbutane, and calculate a total strain energy