Chem Exam 9

This substance is an ester of the phenol group of salicylic acid with acetic acid and is commonly called... A) milk of magnesia B) aspirin C) Tylenol D) Maalox

B) aspirin

When a bee stings, one of the compounds it injects is... A) butyric acid B) hydrochloric acid C) acetic acid D) formic acid

D) formic acid

Phenol, sometimes called carbolic acid, was the first... A) antiseptic B) analgesic C) anesthetic D) insecticide

A) antiseptic

Benzene is an unsaturated hydrocarbon. Which of the following is NOT a property of benzene? A) benzene undergoes the same reactions that other unsaturated hydrocarbons do B) benzene has a ring of carbon atoms in its structure C) benzene contains only carbon and hydrogen D) benzene is a liquid at room temperature

A) benzene undergoes the same reactions that other unsaturated hydrocarbons do

What is the name of the compound that has the formula CH3CH3? A) ethane B) butane C) methane D) propane

A) ethane

The main ingredient in most antifreezes is... A) ethylene glycol B) glycerol C) gasoline D) ethanol

A) ethylene glycol

A phenol has a(n) ________ group attached to a benzene ring. A) hydroxyl B) amino C) carboxyl D) carbonyl

A) hydroxyl

Organic chemistry is most broadly defined as... A) the chemistry of the compounds of carbon B) the chemistry of the non-metallic compounds C) the chemistry of living systems D) the chemistry of substances produced by living systems

A) the chemistry of the compounds of carbon

Approximately what percentage of known compounds are classified as organic compounds? A) 20% B) 95% C) 40 % D) 70%

B) 95%

Diethyl ether is the most important of ethers. It has a structure of... A) CH3CH2OCH3 B) CH3CH2OCH2CH3 C) CH3CH2OH D) (CH3)2CHOH

B) CH3CH2OCH2CH3

The most important commercial organic compound is... A) propane, CH3CH2CH3 B) ethylene, CH2=CH2 C) methane, CH4 D) ethane, CH3CH3

B) ethylene, CH2=CH2

When wood is heated in the absence of air, the wood is destructively distilled and condensed to a liquid mixture. The primary component of this mixture is... A) rubbing alcohol B) methanol C) gasoline D) ethanol

B) methanol

This substance used as an analgesic was first isolated from willow bark. A) heptane B) salicylic acid C) isopropyl alcohol D) formic acid

B) salicylic acid

The first organic compound to be synthesized in a chemist's laboratory was... A) benzene B) urea C) cholesterol D) chlorophyll

B) urea

Organic compounds that contain a benzene ring or possess certain properties similar to those of benzene are called _____ compounds. A) acidic B) alkaloid C) aromatic D) saturated

C) aromatic

In organic chemistry, compounds are generally classified by... A) state B) odor C) functional group D) colour

C) functional group

Rubbing alcohol contains... A) methanol B) ethanol C) isopropyl alcohol D) n-propyl alcohol

C) isopropyl alcohol

The correct structure for benzene was proposed by ______ in 1865. A) Faraday B) curie C) kekule D) boyle

C) kekule

A compound containing only carbon and hydrogen and which has only single-bonds between atoms is classified as an... A) Allene B) alkyne C) aromatic compound D) alkane

D) alkane

Perfluorocarbons have been used in which of the following? A) nonstick cooking surfaces B) temporary blood substitutes C) oxygen solvent for treatment of premature babies D) all of the above

D) all of the above

The most unique property of carbon is its ability to... A) form four bonds B) bond to nitrogen C) bond to oxygen D) bond to carbon

D) bond to carbon

The compound formed buy the reaction of a carboxylic acid with an alcohol is a(n)... A) aldehyde B) ketone C) ether D) ester

D) ester

Compounds with the same number and kinds of atoms but with different structures are known as... A) homologs B) allotropes C) isotopes D) isomers

D) isomers

Chlorinated hydrocarbons, such as carbon tetrachloride, CCl4, make good dry cleaning solvents because... A) they are not liquids at room temperature B) they cause no significant health problems C) they dissolve in water D) they dissolve water insoluble stains, like grease and oil

D) they dissolve water insoluble stains, like grease and oil

The simplest alkane is... A) methane B) ethane C) monane D) propane

A) methane

How many different structural isomers are there for a hydrocarbon with the formula C4H10? A) 1 B) 2 C) 3 D) 4

B) 2

A bottle of an alcoholic beverage is labelled as "60 proof." The percentage of ethanol by volume in this alcoholic beverage is... A) 15% B) 60% C) 30% D) 20%

C) 30%

One of the compounds that is present in rancid butter and body odor is... A) acetic acid B) formaldehyde C) butyric acid D) benzaldehyde

C) butyric acid

Aldehydes and ketones shade a common functional group. The group is... A) hydroxyl group B) phenol group C) carbonyl group D) ether group

C) carbonyl group

The compound commonly known as (drawn structure) is commonly known as... A) acetaldehyde B) formaldehyde C) benzaldehyde D) acetone

D) acetone

The first recorded synthesis of an organic compound in a scientific laboratory was by... A) issac newton, 1665 B) Thomas Edison, 1888 C) Benjamin franklin, 1788 D) fried rich wholer, 1828

D) fried rich wholer, 1828

Vinegar is a solution of ________ in water. A) butyric acid B) acetic acid C) propionic acid D) formic acid

B) acetic acid

The hydrocarbon that is used in torches along with oxygen to produce very hot flames for cutting and welding is... A) propane B) acetylene C) methane D) ethylene

B) acetylene

The compound with the formula, CHCl3, was used as an anesthetic in earlier times, but has been found to have some serious side effects. This compound is called... A) carbon tetrachloride B) chloroform C) methyl chloride D) methylene chloride

B) chloroform