Deck 20: Organic Chemistry

Question 1

In an unsaturated hydrocarbon, the carbon-carbon bond angles are always 120^o.

Answer 1

False

Question 2

Carbon can form single and double bonds with other atoms, but not triple bonds.

Answer 2

False

Question 3

Name the following molecule.

A) 2,2,3,5-tetramethyl-7-propyl-7-t-butyldecane
B) 6-propyl-2,6-di-t-butylnonane
C) 2,2,5,7,8,8-hexamethyl-3,3-dipropylnonane
D) isonanane
E) none of these

Answer 3

2,2,3,5-tetramethyl-7-propyl-7-t-butyldecane

Question 4

A student gave a molecule the following name: 2-ethyl-3-methyl-5-isopropylhexane
However, her TA pointed out that although the molecule could be drawn correctly from this name, the name violates the systematic rules. What is the correct (systematic) name of the molecule?

A) 3,4-dimethyl-6-isopropylheptane
B) 2-isopropyl-4,5-dimethylheptane
C) 3,4,6,7-tetramethyloctane
D) 1,2-diethyl-3,6,7-trimethylheptane
E) 2,3,5,6-tetramethyloctane

Question 5

What's the correct formula for the alkane that contains nine carbon atoms?

A) C₉H₂₀
B) C₉H₁₈
C) C₉H₁₆
D) C₉H₉
E) C₉H₁₁

Question 6

Name the following molecule. CH₃-(CH₂)₂-CH₃

A) butane
B) ethane
C) propane
D) benzene
E) pentane

Question 7

Name the following molecule.

A) n-hexane
B) isohexane
C) 1,2,3-trimethylpropane
D) methyl-diethylmethane
E) 3-methylpentane

Question 8

Benzene has the formula C₆H₆ and a planar (flat) structure in which all the bond angles are 109.5^o.

Question 9

What's the correct formula for the saturated hydrocarbon that contains four carbon atoms?

A) C₄H₁₀
B) C₄H₈
C) C₄H₁₂
D) C₄H₄
E) C₄H₆

Question 10

Name the following molecule.

Question 11

In lecture, the professor named a molecule 2-ethyl-4-tertiary-butylpentane. An alert student pointed out that although the correct structure could be drawn from this name, the name did not follow systematic rules. What is the correct systematic name for the molecule?

A) 2-t-butyl-5-methylhexane
B) 2-ethyl-4,5,5-trimethylhexane
C) 3,5,6,6-tetramethylheptane
D) 2,2,3,5-tetramethylheptane
E) undecane

Question 12

Name the following molecule.

Question 13

When carbon has four atoms bound to it, these atoms will have a square planar arrangement about the carbon.

Question 14

Draw the structural formula for 2,2-dimethylpropane.

Question 15

Those compounds whose carbon-carbon bonds are all single bonds are said to be unsaturated.

Question 16

What's the correct formula for the simplest alkene that contains six carbon atoms?

A) C₆H₁₂
B) C₆H₁₀
C) C₆H₈
D) C₆H₁₄
E) C₆H₁₆

Question 17

A straight-chain saturated hydrocarbon cannot contain more than 10 carbon atoms.

Question 18

Name the following molecule.

Question 19

What's the correct formula for the simplest alkene that contains seven carbon atoms?

A) C₇H₁₄
B) C₇H₁₂
C) C₇H₁₀
D) C₇H₁₆
E) C₇H₁₈

Question 20

Butane is an example of an alkane.

Question 21

Name the molecule CH₃C $\equiv$ CCH₂CH₃.

Question 22

Give the name for the following molecule.

Question 23

Name the following:

A) 1,1,1-trichloro-5-bromo-3-pentene
B) 5,5,5-trichloro-1-bromo-2-pentene
C) 1,1,1-trichloro-5-bromo-2-pentene
D) 1,1,1-trichloro-5-bromo-3-pentyne

Question 24

Give the name of the molecule CH₃CH=CHCH₂CH₃.

Question 25

Name the molecule below.

Question 26

Carboxylic acids are characterized by the presence of the -COOH group.

Question 27

Name the following molecule.

A) 1-hexyne
B) 2-ethynyl butane
C) 2-ethyl-3-butyne
D) 3-methyl-1-pentyne
E) 3-methyl-4-pentyne

Question 28

Draw the structural formula for 3-methyl-2-hexene.

Question 29

Classify the following molecule.

A) acid
B) aldehyde
C) amine
D) ketone
E) carbonyl

Question 30

Draw the structural formula for 3-ethyl-4-methylheptane.

Question 31

Which of the following has the least number of carbon-oxygen bonds?

A) ketone
B) alcohol
C) ether
D) ester
E) Two of the above are equal.

Question 32

The general name given to hydrocarbons with triple bonds is

A) alkenes
B) alkynes
C) alkanes
D) unsaturated hydrocarbons
E) aromatic hydrocarbons

Question 33

Aldehydes are characterized by the presence of the -COH group (where carbon is double bonded to the oxygen atom and single bonded to the hydrogen).

Question 34

Which of the following has the greatest number of carbon-oxygen bonds?

A) ketone
B) ester
C) alcohol
D) amine
E) aldehyde

Question 35

Give the name of the molecule.

Question 36

Amines are characterized by the presence of the -OH group.

Question 37

Esters often have sweet, fruity odors.

Question 38

CH₃C $\rightarrow$ CCH₂CH₂Cl is named

A) 1-chloro-3-pentyne
B) 5-chloro-2-pentene
C) 1-acetylenyl-3-chloropropane
D) 5-chloro-2-pentyne
E) 1-chloro-3-pentene

Question 39

Draw the structural formula for 4-ethyl-2-octyne.

Question 40

Draw the structural formula for 2-phenylpropane.

Question 41

Acetic acid is the common name for ethanoic acid.

Question 42

Name the following compound.

Question 43

Draw the structural formula for pentanal.

Question 44

Identify the type of organic compound shown.

A) aldehyde
B) ester
C) amine
D) ketone
E) none of these

Question 45

Write the structural formula for 3-isopropyl-3-heptanol.

Question 46

Name the following compound.

Question 47

Name the following compound.

Question 48

Which of the following is found in beverages such as wine?

A) methanol
B) ethanol
C) propanol
D) isopropanol
E) none of these

Question 49

Draw the structural formula for 3-ethylhexanoic acid.

Question 50

Identify the type of organic compound shown.

A) aldehyde
B) ester
C) amine
D) ketone
E) none of these

Question 51

Nylon is an example of a

A) copolymer
B) homopolymer
C) dimer
D) two of these
E) none of these

Question 52

Draw the structural formula for 3,4-dichlorooctanal.

Question 53

Name the following.

A) 2-chloro-3-ethyl-1-isopropylbutanone
B) isopropyl-chloromethylbutyl ketone
C) 2-butylchloroisobutanoyl methane
D) 4-chloro-2,5-dimethyl-3-heptanone
E) 3-methyl-4-chloro-1-isopropylpentanone

Question 54

Formic acid is the common name for pentanoic acid.

Question 55

Name the following compound.
CH₃COOH

Question 56

Name the following compound.

Question 57

The name methanal is the systematic name for

A) acetone
B) formaldehyde
C) rubbing alcohol
D) acetaldehyde
E) water

Question 58

Teflon is an example of a

A) copolymer
B) homopolymer
C) dimer
D) two of these
E) none of these