Chem 11 Spring 2012 Practice Test 3

Transcription

1 Chem 11 Spring 2012 Practice Test 3 1) In the three-dimensional structure of methane, CH 4, the hydrogen atoms attached to a carbon atom are aligned A) in a straight line. B) at the corners of a square. C) at the corners of a tetrahedron. D) at the corners of a rectangle. E) at the corners of a cube. 2) What type of compound is CH 3 - CH 2 -CH 3? A) alkane B) branched alkane C) cycloalkane D) haloalkane E) isomer 3) The functional group contained in the compound CH 3 -CH 2 -O-CH 2 -CH 3 is a(n) A) aldehyde. B) alkene. C) alcohol. D) ketone. E) ether. 4) The functional group contained in the compound is a(n) A) thiol. B) carboxylic acid. C) amine. D) ester. E) amide. 5) How many valence electrons does carbon have? A) one B) two C) three D) four E) five

2 6) What is the name of the continuous chain alkane with six carbon atoms? A) butane B) pentane C) hexane D) heptane E) octane 7) The reaction of butane with oxygen is called A) substitution. B) addition. C) neutralization. D) combustion. E) titration. 8) What is the IUPAC name of this alkane? CH 3 CH 3 -C- CH 2 - CH - CH 3 CH 3 CH 2 - CH 3 A) 4-ethyl-2,2-dimethylpentane B) 2-ethyl-4,4-dimethylpentane C) 2,2,4-trimethylhexane D) 2-ethyl-2,2-dimethylpentane E) 3,5,5-trimethylhexane 9) What is the name for a two-carbon saturated alkyl group? A) methyl B) ethyl C) propyl D) butyl E) pentyl

3 10) What functional group(s) present in the following compound? A) alcohol B) aldehyde C) carboxylic acid D) alcohol and aldehyde E) alcohol and carboxylic acid 11) An unsaturated compound always A) is a cycloalkane. B) contains a double bond. C) contains a triple bond. D) contains at least one double or triple bond. E) is aromatic. 12) The IUPAC name for ethylene is A) ethane. B) cycloethane. C) ethyne. D) ethanene. E) ethene. 13) The compound 1-butyne contains A) all single bonds. B) a double bond. C) a triple bond. D) a ring structure. E) a bromine atom.

4 14) Which of the following pairs of compounds are cis-trans isomers? A) B) and C) and HC-C-CH 3 and CH 3 -C-CH D) E) and and 15) The hydrogenation of an alkene gives a(n) A) alkane. B) alkene. C) alkyne. D) benzene. E) isomer. 16) The reaction of an alkene and water in the presence of an acid catalyst to produce an alcohol is called A) hydrolysis. B) alkoholysis. C) halogenation. D) hydration. E) hydrohydration.

5 17) Small molecules that make up the repeat unit in polymers are called A) monomers. B) alkenes. C) alkynes. D) minipolymers. E) synthetic polymers. 18) The compound below is named A) cyclohexane. B) cyclohexene. C) cyclohexyne. D) benzene. E) cyclobenzene. 19) What is the name of the compound shown below? A) 3-hexene B) 3-hexyne C) trans-3-hexene D) cis-2-hexene E) cis-3-hexene 20) The compound CH 3 CH 2 SH is in the organic family known as A) ethers. B) thiols. C) alcohols. D) sulfides. E) amino acids.

6 21) What is the name for this compound? A) cyclopentanol. B) cyclohexanol. C) cyclobenzenol. D) phenol. E) glycerol. 22) The common name for the compound CH 3 --CH 2 --CH 2 O--CH 2 --CH 3 is A) 3-pentanol. B) ethyl propyl ether. C) 3-hexanol. D) 3-ether pentane. E) ethyl propyl ketone. 23) The dehydration product of CH 3 --CH 2 --CH 2 O-H in the presence of acid is A) CH 2 C--CH2 3. B) cyclopropane. C) cyclopropene. D) propene. E) propyne. 24) What classification of alcohol undergoes oxidation to yield a ketone? A) primary alcohol B) both primary and secondary alcohols C) secondary alcohol D) all classes of alcohols E) both secondary and tertiary alcohols 25) What classification of alcohol is resistant to oxidation? A) primary B) secondary C) tertiary D) quaternary E) none

7 26) A phenol has an -OH group bonded to a(n) A) singly substituted or unsubstituted carbon. B) disubstituted carbon. C) trisubstituted carbon. D) aromatic carbon. E) tetrasubstituted carbon. 27) When a primary alcohol is strongly oxidized, the product is A) another alcohol. B) a carboxylic acid. C) an aldehyde. D) an alkane. E) a ketone. 28) Thiols are strong-smelling compounds responsible for A) fruity odors. B) sharp odors. C) flowery odors. D) skunky or bad smelling odors. E) salty odors. 29) What is the IUPAC name for this compound? O CH 3 CH A) methyl aldehyde B) 1-ethanaldehyde C) 1-ethanone D) ethanal E) methanal 30) An enantiomer is A) a stereoisomer that is not a mirror image of another molecule. B) a stereoisomer whose mirror image cannot be superimposed. C) a diastereoisomer. D) a constitutional isomer. E) a geometric isomer.

8 31) An aldehyde forms a carboxylic acid by A) oxidation. B) reduction. C) hydrolysis. D) neutralization. E) hydrogenation. 32) The IUPAC name of this compound is A) 3-chloro-1-butanol. B) chlorobutyric acid. C) 3-chlorobutyric acid. D) 2-chlorobutanoic acid. E) 3-chlorobutanoic acid. 33) When this compound undergoes hydrolysis in acid, what product(s) are obtained? A) butanoic acid and ethanol B) butanoic acid C) ethanol D) ethanoic acid and butanol E) butanoic acid and butanol 34) The alcohol and carboxylic acid required to form propyl ethanoate are A) methanol and propionic acid. B) ethanol and propionic acid. C) propanol and propanoic acid. D) 1-propanol and ethanoic acid. E) 2-propanol and ethanoic acid. 35) What is the irritating acid found in ant and bee stings? A) acetic acid B) formic acid C) citric acid D) butyric acid E) stearic acid

9 36) What is the product of the reaction of an alcohol and a carboxylic acid when reacted together under acidic conditions? A) an ether B) an ester C) a salt D) a ketone E) an aldehyde 37) The compound CH 3 --CH 2 --NH 2 is classified as a A) primary amine. B) secondary amine. C) tertiary amine. D) quaternary amine. E) hydrated amine. 38) What is the name of this compound? CH 3 N--CH 2 --CH 3 CH 3 A) trimethylamine B) diethylamine C) ethylmethylamine D) ethylmethylnitride E) ethyldimethylamine 39) When acetic acid reacts with ammonia, NH 3, the reaction yields A) acetamine. B) ammonium acetate. C) ethylammonium hydroxide. D) amino acetate. E) acetamide. 40) In what kind of amine is the nitrogen bonded to two carbon atoms? A) primary B) secondary C) tertiary D) quaternary E) amide

10 41) Aniline is a(n) A) primary aromatic amine. B) secondary aromatic amine. C) heterocyclic amine. D) aliphatic amine. E) tertiary amine. 42) How many alkyl substituents does N-ethyl-N-methylaniline have? A) one B) two C) three D) eight E) none 43) What are alkaloids? A) physiologically active nitrogen compounds derived from plants B) anesthetics found in plants C) flavoring agents found in fruits and vegetables D) preservatives found in animal tissue E) natural steroids 44) What two compounds will react to give this amide? A) propanol and ammonia B) propanoic acid and ammonia C) propanoic acid and ethylamine D) propanoic acid and diethylamine E) propanoic acid and methylamine 45) The reaction of an ester with NaOH is known as A) esterification. B) neutralization. C) saponification. D) reduction. E) oxidation.

11 1Answer: C Page Ref: Answer: A Page Ref: Answer: E Page Ref: Answer: E Page Ref: Answer: D Page Ref: Answer: C Page Ref: Answer: D Page Ref: Answer: C Page Ref: Answer: B Page Ref: Answer: E Page Ref: Answer: D Page Ref: Answer: E Page Ref: Answer: C Page Ref: Answer: E Page Ref: Answer: A Page Ref: Answer: D Page Ref: Answer: A Page Ref: Answer: D Page Ref: Answer: E Page Ref: Answer: B Page Ref: Answer: D Page Ref: Answer: B Page Ref: Answer: D Page Ref: Answer: C Page Ref: Answer: C Page Ref: Answer: D Page Ref: Answer: B Page Ref: Answer: D Page Ref: Answer: D Page Ref: Answer: B Page Ref: Answer: A Page Ref: Answer: E Page Ref: Answer: A Page Ref: Answer: D Page Ref: Answer: B Page Ref: Answer: B Page Ref: Answer: A Page Ref: Answer: E Page Ref: Answer: E Page Ref: Answer: B Page Ref: Answer: A Page Ref: Answer: B Page Ref: Answer: A Page Ref: Answer: C Page Ref: Answer: C Page Ref: 14.

12