Organic Chemistry Review

Which class of organic compounds can be represented as R -- COOH? A) Acids B) Alcohols C) Esters D) Ethers

A) Acids

The organic compound represented by the condensed structural formula CH3CH2CH2CHO is classified as an A) Aldehyde B) Alcohol C) Ester D) Ether

A) Aldehyde

A molecule of a compound contains a total of 10 hydrogen atoms and has the general formula CnH2n+2. Which prefix is used in the name of this compound? A) But- B) Oct- C) Dec- D) Pent-

A) But-

Destructive distillation of soft coal leads to the formation of: A) Charcoal B) Coke C) Methanol D) Acetic Acid

B) Coke

What is the total number of carbon atoms in a molecule of ethanoic acid? A) 4 B) 3 C) 2 D) 1

C) 2

An example of a secondary alcohol is A) 1-propanol B) 1,2-propanediol C) 2-propanol D) 1,2,3-propanetriol

C) 2-propanol

Which general formula represents the homologous series of hydrocarbons that includes the compound l-heptyne? A) CnH2n-6 B) CnH2n C) CnH2n-2 D) CnH2n+2

C) CnH2n-2

A form of carbon used to lubricate gears is : A) Diamond dust B) Bone black C) Graphite D) Activated charcoal

C) Graphite

Which substance is made up of monomers joined together in long chains? A) Acid B) Ketone C) Protein D) Ester

C) Protein

14. Among the below listed polymers which ones occur naturally? A) Starch and nylon B) Protein and nylon C) Starch and cellulose D) Protein and plastic

C) Starch and cellulose

What type of Bonds do hydrocarbons have?

Covalent

C4H9COOH is the formula for: A) Carbohydrate B) A Base C) A hydrocarbon D) An Acid

D) An Acid

The reaction between an acid and an alcohol produces water and: A) Soap B) A carbohydrate C) A hydrocarbon D) An ester

D) An ester

The formula for methane is: A) C2H2 B) C2H6 C) C6H6 D) CH4

D) CH4

What is a polymer?

Long linked chains of monomers (smaller units)

What is a structural formula?

Shows the structure, how the molecule bonds and its shape

What is a homologous series?

related compounds where each member differs from the one before it by an additional unit

What type of bonds are in a saturated compound?

single

What is a product of a condensation reaction?

water

A double carbon-carbon bond is found in a molecule of

pentene

Which compounds are isomers? a) 1-propanol and 2-propanol b) methanoic acid and ethanoic acid c) methanol and methanal d) ethane and ethanol

a) 1-propanol and 2-propanol

Which compound is a saturated hydrocarbon? a) ethane b) ethene c) ethyne d) ethanol

a) ethane

Which property is generally characteristic of an organic compound? a) low melting point b) high melting point c) soluble in polar solvents d) insoluble in nonpolar solvents

a) low melting point

What type of reaction is CH3CH3 + Cl2 -> CH3CH2Cl + HCl? a) an addition reaction b) a substitution reaction c) a saponification reaction d) an esterification reaction

b) a substitution reaction

The reaction CH₂CH₂ + H₂ -> CH₃CH₃ is an example of: a) substitution b) addition c) esterification d) fermentation

b) addition

Which class of organic compounds can be represented as R -- OH? a) acids b) alcohols c) esters d) ethers

b) alcohols

Compared to the rate of inorganic reactions, the rate of organic reactions generally is: a) slower because organic particles are ions b) slower because organic particles contain covalent bonds c) faster because organic particles are ions d) faster because organic particles contain covalent bonds

b) slower because organic particles contain covalent bonds

Which compound is an organic acid? a) CH3OH b) CH3OCH3 c) CH3COOH d) CH3COOCH3

c) CH3COOH

In which pair of hydrocarbons does each compound contain only one double bond per molecule? a) C₂H₂ and C₂H₂ b) C₂H₂ and C₃H₆ c) C₄H₈ and C₂H₄ d) C₆H₆ and C₇H₈

c) C₄H₈ and C₂H₄

Which element is present in all organic compounds? a) carbon b) nitrogen c) oxygen d) phosphorous

c) carbon

The products of the fermentation of sugar are ethanol and: a) water b) oxygen c) carbon dioxide d) sulfur dioxide

c) carbon dioxide

Which molecule contains a total of three carbon atoms? a) 2-methylpropane b) 2-methylbutane c) propane d) butane

c) propane

Which statement explains why the element carbon forms so many compounds? a) Carbon atoms combine readily with oxygen. b) Carbon atoms have very high electronegativity. c) Carbon readily forms ionic bonds with other carbon atoms. d) Carbon readily forms covalent bonds with other carbon atoms

d) Carbon readily forms covalent bonds with other carbon atoms

What type of bonds are in an unsaturated compound?

double or triple

How many bonds do hydrocarbons have?

four

What kind of atoms do hydrocarbons contain?

hydrogen and cabon