Free Printable CHEM 140 Chapter 5 & 6

Free Printable Worksheets

Worksheets

CHEM 140 Chapter 5 & 6

Total questions: 64

Worksheet time: 32mins

Name

Class

Date

1.

Same formula - different connectivity

a)

Constitutional Isomers

b)

Stereo Isomers

2.

Same formula & same connectivity - different arrangement

a)

Constitutional Isomers

b)

Stereo Isomers

3.

Enantiomers & Diastereomers

a)

Constitutional Isomers

b)

Stereo Isomers

4.

mirror images

a)

Enantiomers

b)

Diastereomers

5.

not mirror images

a)

Enantiomers

b)

Diastereomers

6.

A

a)

Same compound

b)

Constitutional Isomer

c)

Steroisomer

d)

Enantiomer

e)

Diastereiomer

7.

B

a)

Same compound

b)

Constitutional Isomer

c)

Steroisomer

d)

Enantiomer

e)

Diastereiomer

8.

C

a)

Same compound

b)

Constitutional Isomer

c)

Steroisomer

d)

Enantiomer

e)

Diastereiomer

9.

D

a)

Same compound

b)

Constitutional Isomer

c)

Steroisomer

d)

Enantiomer

e)

Diastereiomer

10.

E

a)

Same compound

b)

Constitutional Isomer

c)

Steroisomer

d)

Enantiomer

e)

Diastereiomer

11.

has a plane of symmetry (exact mirror images)

a)

Chiral

b)

Achiral

12.

No chiral centers

a)

Chiral

b)

Achiral

13.

meso compounds

a)

Chiral

b)

Achiral

14.

Superimposable (can be lined exactly over itself)

a)

Chiral

b)

Achiral

15.

has a chiral center

a)

Chiral

b)

Achiral

16.

no plane of symmetry

a)

Chiral

b)

Achiral

17.

non-superimposable or enantiomer (cant be lined exactly over its self)

a)

Chiral

b)

Achiral

18.

R

a)

Clockwise

b)

Counter clockwise

19.

S

a)

Clockwise

b)

Counter clockwise

20.

A compound exhibiting a positive rotation (+)

a)

Dextrorotatory

b)

Levorotatory

21.

A compound exhibiting a negative rotation (-)

a)

Dextrorotatory

b)

Levorotatory

22.

refer to the configuration (3D arrangement) of a chiral center

a)

R / S

b)

+ / -

23.

independent of conditions

a)

R / S

b)

+ / -

24.

refer to the direction in which plane polarized light is rotated

a)

R / S

b)

+ / -

25.

dependent on conditions

a)

R / S

b)

+ / -

26.

breaking bonds require energy

a)

Enthalpy (ΔH)

b)

Kinetics

c)

Entropy

27.

the exchange of energy / heat between a system & its surroundings under constant pressure

a)

Enthalpy (ΔH)

b)

Kinetics

c)

Entropy

28.

the study of reaction rates

a)

Enthalpy (ΔH)

b)

Kinetics

c)

Entropy

29.

disorder associated with a system

a)

Enthalpy (ΔH)

b)

Kinetics

c)

Entropy

30.

determines whether a reaction can occur

a)

Enthalpy (ΔH)

b)

Kinetics

c)

Entropy

31.

change in _____ for both system & surrounding must be considered

a)

Enthalpy (ΔH)

b)

Kinetics

c)

Entropy

32.

a)

Homolytic Bond Cleavage

b)

Heterolytic Bond Cleavage

33.

a)

Homolytic Bond Cleavage

b)

Heterolytic Bond Cleavage

34.

energy required to break a covalent bond via homolytic bond cleavage

a)

Bond Dissociation energy (ΔH°)

b)

Reaction

c)

Spontaneous Reaction/Process

d)

Non Spontaneous Reaction/Process

35.

AKA total change in enthalpy

a)

Bond Dissociation energy (ΔH°)

b)

Reaction

c)

Spontaneous Reaction/Process

d)

Non Spontaneous Reaction/Process

36.

AKA heat of reaction

a)

Bond Dissociation energy (ΔH°)

b)

Reaction

c)

Spontaneous Reaction/Process

d)

Non Spontaneous Reaction/Process

37.

result of a collision between reactants

a)

Bond Dissociation energy (ΔH°)

b)

Reaction

c)

Spontaneous Reaction/Process

d)

Non Spontaneous Reaction/Process

38.

ΔG must be negative

a)

Bond Dissociation energy (ΔH°)

b)

Reaction

c)

Spontaneous Reaction/Process

d)

Non Spontaneous Reaction/Process

39.

reaction favors formation of products (thermodynamically favorable)

a)

Bond Dissociation energy (ΔH°)

b)

Reaction

c)

Spontaneous Reaction/Process

d)

Non Spontaneous Reaction/Process

40.

ΔG must be positive

a)

Bond Dissociation energy (ΔH°)

b)

Reaction

c)

Spontaneous Reaction/Process

d)

Non Spontaneous Reaction/Process

41.

reaction favors formation of reactants (thermodynamically unfavorable)

a)

Bond Dissociation energy (ΔH°)

b)

Reaction

c)

Spontaneous Reaction/Process

d)

Non Spontaneous Reaction/Process

42.

Total entropy must be positive (increase overall)

a)

Bond Dissociation energy (ΔH°)

b)

Reaction

c)

Spontaneous Reaction/Process

d)

Non Spontaneous Reaction/Process

43.

total entropy must be negative (decrease overall)

a)

Bond Dissociation energy (ΔH°)

b)

Reaction

c)

Spontaneous Reaction/Process

d)

Non Spontaneous Reaction/Process

44.

system energy increases - received energy from surroundings

a)

+ ΔH °

b)

- ΔH °

45.

endothermic

a)

+ ΔH °

b)

- ΔH °

46.

system energy decreases - gave energy to surroundings

a)

+ ΔH °

b)

- ΔH °

47.

exothermic

a)

+ ΔH °

b)

- ΔH °

48.

large rate constant

a)

fast reaction

b)

slow reaction

49.

small rate constant

a)

fast reaction

b)

slow reaction

50.

low Ea

a)

fast reaction

b)

slow reaction

51.

high Ea

a)

fast reaction

b)

slow reaction

52.

1

a)

rate constant

b)

concentration of starting materials

53.

2

a)

rate constant

b)

concentration of starting materials

54.

the ability of an atom to distribute its electron density unevenly in response to external influences

a)

Catalyst

b)

Polarizability

c)

increase in temp

d)

decrease in temp

55.

a compound that can speed up the rate of a reaction without being consumed

a)

Catalyst

b)

Polarizability

c)

increase in temp

d)

decrease in temp

e)

Transition States

56.

increase in rate

a)

Catalyst

b)

Polarizability

c)

increase in temp

d)

decrease in temp

e)

Transition States

57.

decrease in rate

a)

Catalyst

b)

Polarizability

c)

increase in temp

d)

decrease in temp

e)

Transition States

58.

the state which reaction passes

a)

Catalyst

b)

Polarizability

c)

increase in temp

d)

decrease in temp

e)

Transition States

59.

a)

Kinetics (rate of reaction)

b)

Thermodynamics (equilibrium)

60.

a)

Kinetics (rate of reaction)

b)

Thermodynamics (equilibrium)

61.

Blue

a)

Transition States

b)

Intermediates

62.

green

a)

Transition States

b)

Intermediates

63.

a)

Exothermic

b)

Endothermic

64.

a)

Exothermic

b)

Endothermic

100 %

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