Organic Chem Final

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Chemistry
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1

some organic compounds do not contain carbon

false

2

all organic compounds have bonds formed by electron transfer

false

3

propane is polar

false

4

alkanes are unsaturated compounds

false

5

the single bond in alkanes can be broken easily

false

6

alkynes are unsaturated compounds

true

7

the molecular formula for benzene is C6H6

true

8

carbon atom in compounds has to have four bonds

true

9

hydrogen atom in compounds can have up to four bonds

false

10

plastic products can be made of polymers of alkenes

true

11

most organic compounds are

insoluble in water

12

organic compounds

contain the carbon element
have low melting and boiling points
have covalent bonds

13

alkanes with one to four carbon atoms

are gases

14

the carbon atom in methane has

four bonds

15

hydrogen atom will have

one bond

16

alkanes combust with oxygen to produce

carbon dioxide, water and heat

17

structural isomers have

the same molecular formula but different structural formula

18

geometric isomers have

the same molecular and structural formula

19

hydrocarbons contain

carbon and hydrogen

20

the oxidation of aldehydes produces

carboxylic acid

21

the hydrolysis of esters in the presence of base produces

the salt of carboxylic acid and alcohol

22

the reduction of aldehydes produces

primary alcohol

23

the dehydration of alcohols at high temperature produces

alkene

24

the oxidation of secondary alcohol produces

ketone

25

the pungent smell found in onion and garlic is due to

thiols

26

oxidation is

the addition of oxygen or removal of hydrogen

27

alcohols with ten carbons are

insoluble in water

28

how many bonds does the carbon in methanol have

four

29

nitrogen always makes________ bonds

three

30

carboxylic acids

produce H3O+ in water

31

amines

produce OH- in water

32

the compound ethanal is

an aldehyde

33

the compound 2 butanone is

a ketone

34

the class of compounds that gives fruits their smell and flavor

esters

35

lipids are insoluble in water

true

36

the melting point of fatty acids decrease with increasing the number of double bonds

true

37

saturated fatty acids contain one or more double bonds

false

38

unsaturated fatty acids are more likely to be liquids are room temperature

true

39

soaps are produced by the base hydrolysis of triglycerides

true

40

the plasma membrane is made of a bilayer of phospholipids

true

41

enantiomers have identical chemical properties

false

42

an organic compound is chiral is it has one or more carbon atoms attached to four different atoms or groups

true

43

saturated fatty acids are solids at room temperature

true

44

enantiomers are sterioisomers that are mirror images of each other

true

45

fatty acids are

long chain carboxylic acids

46

unsaturated fatty acids have irregular structures because

their double bonds are in the cis configuration

47

commercially liquid vegetable oils are converted to solid fats such as margarine by

saturating some of the double bonds

48

compounds belonging to the steroids class of lipids

testosterone, estrogens and progesterone, and cholesterol

49

the sugar that is usually found in glycolipids is

galactose

50

monosaccharides that have the aldehyde functional group

glucose and galactose

51

the diagnostic test for diabetes reflects

the oxidation of the aldehyde group of glucose to carboxylic acid

52

the ABO blood type is do to the

presence of carbohydrates on the surface of the red blood cell

53

all carbohydrates

contain the elements C,H and O

54

Soaps are effective on both polar and nonpolar substances because

they have polar charged heads and nonpolar tails

55

lactose is made up of

one beta galactose and one alpha glucose

56

the bond that links the fatty acids to glycerol in triglycerides is

ester bond

57

glycogen is a polymer of

glucose

58

the class of lipids consisting of glycerol bonded to two fatty acid molecules and a phosphate group

glycolipids

59

a class of lipids composed of multicyclic ring system

steriod

60

polysaccharides that contain alpha 1, 6 glycosidic bonds

amylopectin and glycogen

61

long chain carboxylic acids linked to long chain alcohols by ester bonds

waxes

62

a monosaccharide that is know as blood sugar

glucose

63

monosaccharide that is a ketose

fructose

64

milk sugar

lactose

65

sucrose is made up of

glucose and fructose

66

the component of starch that has no branches

amylose

67

the major component of starch

amylopectin

68

the polysaccharide that cannot be digested by humans

cellulse

69

the storage form of glucose in animals

glycogen

70

the polysaccharide that is most branched

glycogen

71

table sugar

sucrose

72

may also contain O, S, N, and halogens.

organic compound

73

have covalent bonds.
have low melting points.
have low boiling points.
are flammable.
are soluble in nonpolar solvents.
are not soluble in water.

organic compounds

74

all single bonds

Alkanes

75

at least one double bond

Alkenes

76

at least one triple bond

Alkynes

77

at least one benzene ring

Aromatics

78

have the same molecular formula (same
number of C and H)

Structural Isomers

79

have different structural formula (atom arrangements)

Structural Isomers

80

nonpolar.
insoluble in water.
less dense than water.
flammable in air.

alkanes

81

methane, ethane, propane, and butane.
gases at room temperature.
used as heating fuels.

Alkanes with 1-4 carbon atoms are

82

liquids at room temperature.
pentane, hexane, heptane, and octane.
very volatile.
used to make gasoline

Alkanes with 5-8 carbon atoms are

83

Are liquids at room temperature
have higher boiling points.
are found in kerosene, diesel, and jet fuels

Alkanes with 9-17 carbon atoms

84

have high molar masses.
are waxy solids at room temperature.
used in waxy coatings of fruits and vegetables.

Alkanes with 18 or more carbon atoms

85

Alkane + O2 CO2 + H2O + heat

Alkanes combustion reactions

86

molecules with the same molecular formula but different structural formula
( carbons are connected differently)

Structural isomers

87

molecules with the same molecular formula and structural formula but different in orientation in space.

Geometric isomers

88

a ring of 6 C atoms and 6 H atoms.
a flat ring structure drawn with three double bonds

Benzene

89

contains a hydroxyl group (—OH) attached to a benzene ring.

phenol